Thursday, July 4, 2013

About M-Xylylene Diisocyanate




Name:M-Xylylene Diisocyanate
Physical properties:
Properties: Uncertain
Density d (g / mL, 25/4 ℃): 1.20
Relative vapor density (g / mL, air = 1): Not sure
Mp mp (oC): Uncertain
Boiling Point (oC, pressure) :88-90
Bp bp (oC, 1mmHg): 126
Refractive index: Uncertain
Flash point fp (oC): 174
Specific rotation (o): Uncertain
Ignition point, or ignition temperature (oC): Uncertain
Vapor pressure (kPa, 25oC): Uncertain
Saturated vapor pressure (kPa, 60oC): Uncertain
Heat of combustion (KJ / mol): Uncertain
Critical temperature (oC): Uncertain
Critical Pressure (KPa): Uncertain
Water (octanol / water) distribution coefficient values: Uncertain
Explosive limit (%, V / V): Uncertain
Lower Explosive Limit (%, V / V): Uncertain
Solubility: Uncertain

Function and Use:
Stable under normal temperature and pressure, the liquid. On wet and light sensitive. The relative density of 1.202. Boiling point of 88 ~ 90 ℃ (0.02kPa). Refractive index 1.451. Flash point 42 ℃. Flammable. Tear gas and irritating

Synthesis: protein - protein conjugate formation. Biochemical research.

Storage: This product should be sealed in argon at 4 ℃ drying stored.

Toxicological data:
1, skin / eye irritation data:
Standard Draize rabbit skin irritation test: 2 mg/24HREACTION SEVERITY: Severe
Standard Draize rabbit eye irritation test: 5 mg/24HREACTION SEVERITY: Severe
2, acute toxicity:
Mouth rat LD50: 5350 mg / kg
Mouse Mouth LD50: 840 mg / kg

Ecological data: This substance may be hazardous to the environment, the water should be given special attention

Computational chemistry data:
A hydrophobic parameter calculation reference value (XlogP3-AA): 3.4
2, the hydrogen bond donor Quantity: 0
3, the hydrogen bond acceptors: 4
4, rotatable bonds: 4
5, topological molecular polar surface area (TPSA): 58.9
6, the number of heavy atoms: 14
7, the surface charge: 0
8, Complexity: 239
9, isotope atomic number: 0
10, to determine the atomic stereocenter number: 0
11, uncertain atom stereocenter number: 0
12 to determine the chemical bond stereocenter number: 0
13, uncertain bond stereocenter number: 0
14, covalently bonded unit Quantity: 1

Safety Information:
Dangerous Transportation Code: UN 2920 8/PG 2
Hazard Symbols: Corrosive
Security identity: S16 S23 S26 S45 S36/S37/S39
Hazard identification: R10 R34 R42


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Tuesday, July 2, 2013

About 4-Nitro-p-terphenyl


Properties:
1 Properties: light yellow crystalline powder.
2 Density (g / mL, 25/4 ℃): No information available
3 Relative vapor density (g / mL, air = 1): No information available
4 Melting point (º C) :205-210
5 Boiling Point (º C, atmospheric pressure): No information available
6 Boiling Point (º C, 5.2kPa): No information available
7 Refractive index: No information available
8 Flash point (º C): 205-210
9 Specific rotation (º): No information available
10 points or spontaneous ignition temperature (º C): No information available
11 vapor pressure (kPa, 25 º C): No information available
12 saturated vapor pressure (kPa, 60 º C): No information available
13 heat of combustion (KJ / mol): No information available
14 The critical temperature (º C): No information available
15 Critical Pressure (KPa): No information available
16 oil (octanol / water) distribution coefficient values​​: No information available
17 explosive limit (%, V / V): No information available
18 Lower Explosive Limit (%, V / V): No information available
19 Solubility: Not available

Toxicological data:
Test method:
Ingestion dose: 5 mcg / plate
Test object: Bacteria - Salmonella typhimurium
Toxic Type: mutation
Toxicity: No result

Ecological data:
This substance may be hazardous to the environment, the water should be given special attention.

Molecular structure data:
1 Molar Refractivity: 81.98
2, the molar volume (m3/mol): 231.8
3, parachor (90.2K): 609.4
4, the surface tension (dyne / cm): 47.7
5, the polarization ratio (10-24cm3): 32.50

Computational chemistry data:
1, hydrophobic parameter calculation reference value (XlogP): 5.4
2, the hydrogen bond donor Quantity: 0
3, the hydrogen bond acceptors: 2
4, rotatable bonds: 2
5, topological molecular polar surface area (TPSA): 43.1
6, the number of heavy atoms 21
7, the surface charge: 0
8, Complexity: 330
9, isotope atomic number: 0
10, to determine the atomic stereocenter number: 0
11, uncertain atom stereocenter number: 0
12 to determine the chemical bond stereocenter number: 0
13, uncertain bond stereocenter number: 0

Properties and Stability:
Used and stored according to specifications will not decompose.

Storage:
Sealed in a cool dry place.

Sunday, June 30, 2013

About N,N-Dimethylquinacridone




Brief Description:
Product name: N,N-Dimethylquinacridone

N,N-Dimethylquinacridone Usage And Synthesis

N,N-Dimethylquinacridone downstream products, raw materials
Raw sodium hydride -> Dimethyl sulfate -> tosylate -> aniline -> phosphate -> tert-butanol -> polyphosphate -> 2-- methyl-1 - propanol -> 1 -1,2 - dimethoxyethane -> diethyl adipate

Physical properties:
Properties: Uncertain
Density (g / ml, 25/4 ℃): Uncertain
Relative vapor density (g / cc, air = 1): Not sure
Melting point (℃): 286 ℃ (decomposition) (lit.) than
Boiling Point (℃, atmospheric pressure): Uncertain
Boiling Point (℃, 5.2kPa): Uncertain
Refractive index: Uncertain
Flash point (℃): Uncertain
Specific rotation (O): Uncertain
Ignition point, or ignition temperature (℃): Uncertain
Vapor pressure (kPa when, 25 ℃): Uncertain
Saturation vapor pressure (kPa when, 60 ℃): Uncertain
Heat of combustion (kJ / mol): The Uncertain
Critical temperature (℃): Uncertain
Critical pressure (kPa): Not sure
Water (octanol / water) distribution coefficient values​​: Uncertain
Explosive limit (%, V / V): Uncertain
Lower Explosive Limit (%, V / V): Uncertain
Solubility: Uncertain

Molecular structure data:
1 Molar Refractivity: 98.14
2, the molar volume (m3/mol): 257.8
3, parachor (90.2K): 706.6
4, the surface tension (dyne / cm): 56.4
5, the polarization ratio (10-24 cc): 38.90

Safety Information:
Security identity: S22 S24/25


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From:Chemical raw material

Friday, June 28, 2013

About P-Quaterphenyl




Name:P-QUATERPHENYL
English Synonyms:
1,1 ': 4', 1'': 4'', 1'' '-Quaterphenyl; 1,1': 4 ', 1'': 4'', 1'''-Quaterphenyl; 1,1 '-Biphenyl, 4,4 '-diphenyl-; Dixenyl; p, p'-Quaterphenyl; p-Quaterpheyl; p-Tetraphenyl; Quadriphenyl

Physical Properties
Boiling Point (oC): 428 (2399pa)
Melting point (oC): 320
The relative density (d254): 1.074

Function and Use:
1 white flaky crystals. Soluble in boiling nitrobenzene, toluene, pyridine, quinoline, ethyl acetate and amyl acetate, 500 parts of boiling benzene-soluble, almost insoluble in ethanol and ether. Melting point 316 ~ 318 ℃. Boiling point 428 ℃ (2.40kPa). Maximum absorption wavelength 430nm
(2) present in the mainstream smoke.

Properties and Stability: Flashing reagents. Laser dyes.

Storage: should be sealed.

Molecular properties data:
1 Molar Refractivity: 100.02
2, the molar volume (m3/mol): 285.2
3, parachor (90.2K): 727.3
4, the surface tension (3.0 dyne / cm): 42.2
5, the polarization ratio (0.5 10-24cm3): 39.65

Computational chemistry data:
A hydrophobic parameter calculation reference value (XlogP): 7.3
2, the hydrogen bond donor Quantity: 0
3, the number of hydrogen bond acceptors: 0
4, rotatable bonds: 3
5, tautomers Quantity:
6, topological molecular polar surface area (TPSA): 0
7, the number of heavy atoms: 24
8, the surface charge: 0
9, Complexity: 308
10, isotope atomic number: 0
11, to determine the atomic stereocenter number: 0
12, uncertain atom stereocenter number: 0
13 to determine the chemical bond stereocenter number: 0
14, uncertain bond stereocenter number: 0
15, covalently bonded unit Quantity: 1

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Wednesday, June 26, 2013

What is P-Terphenyl?

 


Basic Information

Chinese name: terphenyl
Product Name: p-Terophenyl
Chinese Name 2:1,4 - diphenylbenzene 4 - phenyl biphenyl, right diphenylbenzene
Name 2:1,4-Terphenyl ,4-Phenyl bisphenyl, Diphenyl benzene
Molecular formula: C18H14
Molecular Weight: 230.30 [1]
CAS No. :92 -94-4
HS Code HS NO. 29029090
Edit this paragraph
Production method

Now terphenyl production in two ways:
(A) by the biphenyl nitration, reduction, acetylation, obtained acetaminophen biphenyls, and then with dinitrogen trioxide role in N-nitroso acetaminophen biphenyls, and then with benzene derived role. In this way the length of routes, operating cumbersome, complex, and the yield is low (only 8%), high cost and low quality of products and equipment corrosion serious.
(2) derived from the associated multi-benzene separation. By-product in the production of biphenyl, diphenyl contain benzene, o-diphenyl benzene, diphenyl benzene room, among other associated Triphenylbenzene and more benzene. Depending on their melting point, boiling point, and solubility, taking sublimation, washing method can be obtained. Major domestic manufacturers in Jiangsu Chemical Co., Ltd. is able to use this method to produce Dano DYNOVA terphenyl.
Edit this paragraph
Physical and chemical properties

APPEARANCE: White crystal
Flash point / ℃: 207
Boiling point / ℃: 389
Relative density (water = 1): 1.23
Melting point / ℃ :211-213
Relative vapor density (air = 1): 7.95
Solubility: soluble in hot benzene, slightly soluble in ether and carbon disulfide, very slightly soluble in ethanol and acetic acid. Insoluble in water.
Edit this paragraph
Safety and environmental protection

Terphenyl basic sound of water bodies, is a flammable solid, the human eye, skin, and respiratory tract irritation.
Edit this paragraph
Use

Terphenyl scintillator is mainly used for the production of plastic sheet, or the preparation of biphenyl liquid crystal material is one of the basic intermediates, as well as synthetic antifungal cyclic peptide (4 - carboxy-terphenyl CTP) of the basic raw material. Can also be prepared 4,4 - dicarboxy-p-terphenyl (DCTP), which is a polyamide prepared biphenyls main raw material.

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Tuesday, June 25, 2013

What is 1,5 - Dibromoanthracene?




Basic Information

1,5 - Dibromoanthracene
Product Code: YCY162
Chinese name: 1,5 - Dibromoanthracene
Chinese alias: 1,5 - dibromoanthracene; dibromo and triphenylmethyl; 1,5 - Dibromoanthracene
English name: 1,5-Dibromoanthracene
English Synonyms: 1,5-dibromoananthracene; 1,5-dibromo-anthracen; Anthracene ,1,5-dibromo-; ms-Dibromoanthracene
Linear Formula:

Purity: ≥ 98%
Level:
CAS Number: 523-27-3
Formula: C14H8Br2
Molecular Weight: 336.02
Edit this paragraph Performance description

Appearance Description: Yellow needle crystal. Can sublimation, oxidation generates anthraquinone. Soluble in hot benzene and hot toluene, slightly soluble in alcohol, ether and cold benzene, do not dissolve in water.
Physical parameters: Melting point :220-225 ° C (lit.)

Application:

Mainly used in organic synthesis intermediates.
Storage and transportation: cold cool dry place

Hazard statement:

Dangerous code: Xi
Hazard Class: R36/37/38
Security Level: S26-37/39

Preparation:

Anthracene bromide. Bromination reaction at room temperature, carbon tetrachloride as a solvent. 80-85% using anthracene as a raw material, add bromine half hour, 83-88% yield.


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Sunday, June 16, 2013

1,8-Bis (hydroxymethyl) anthracene characteristics

1,8-Bis(hydroxymethyl)anthracene, C16H14O2, crystallized in the centrosymmetric amplitude accession P21 / n. The anthracene amount is about collapsed and shows acceptable acceding with the anthracene amount of anthracene-1 ,8-dicarboxylic acid. Anthracene-1, 8-dimethanol, C16H14O2, crystallized in the centrosymmetric amplitude accession P21 / n. The anthracene amount is about collapsed and shows acceptable acceding with the anthracene amount of anthracene-1 ,8-dicarboxylic acid. The melting point of this artefact is 217 ° C . Its abstention is not beneath than 98.0% (GC). It's the brand of EP.The blueprint is 1G. anthracene, absolute three ring polycyclic ambrosial hydrocarbons, atomic blueprint C14H10. It exists in atramentous tar. The three axial anthracene ring in a beeline line, is phenanthrene isomers. Anthracene as a achromatic cool crystals; has blue-violet fluorescence; melting point 216 ℃, baking point 340 ℃, the about body of 1.283 (25/4 ℃); simple sublimation; baffling in water, baffling in booze and ether, acrid in hot benzene . 9,10 anthracene bit college actinic activity, with nitric acerbic blaze to aftermath 9,10 - anthraquinone (see anthraquinone structure), is an important constructed intermediates anthraquinone dyes; abridgement with sodium and booze to aftermath 9, 10 - dihydro-anthracene; chlorination accomplish 9,10 - anthracene dichloride, the closing allotment of the heating accident of hydrogen into 9 - chloroanthracene; anthracene can be acclimated as a conjugated diene, with maleic anhydride and the like in 9,10 occurred at a Diels - Alder reaction. Acclimated as a bright actual (such as a blaze counter), in accurate for blanket (such as for UV absorption). For the accomplish of anthraquinone dyes. Also acclimated as pesticides, fungicides, like gasoline retarder.

1,8-Bis(hydroxymethyl)anthracene authentic non-toxic. Industrial articles absolute phenanthrene, carbazole and added impurities, toxicity was decidedly increased. Since the breath burden is actual low, so the contagion by assimilation is unlikely. On the derma and close film irritant; calmly could cause photosensitive dermatitis. Migration in the ambiance several abstracts prove that polycyclic ambrosial hydrocarbons (PAHs) can be biodegradable. Low atomic weight polycyclic ambrosial hydrocarbons (PAHs) such as naphthalene, acenaphthene, acenaphthylene in beginning studies can be rapidly degradable. Initial absorption of 5 ~ 10mg / L of liquid, aural 7 canicule of added than 90% of polycyclic ambrosial (PAHs) are biodegradable. High atomic weight polycyclic ambrosial hydrocarbons (PAHs) such as fluoranthene, benzo (a) anthracene, flexion, benzo (a) anthracene and pyrene and added hard-biodegradable. Isolation arising attenuated area, amid about the admonishing signs, the proposed emergency cadre cutting masks, abrasion adapted dress. Do not absolute acquaintance with leakage, to abstain dust, anxiously scan, bag placed alteration to a safe place. If ample spills, recycling or accumulating of complete decay treatment. Closed operation, bounded bankrupt ventilation. The abettor have to go through specialized training, austere adherence to rules. Proposed operators abrasion arrogance clarify respirators (half-mask), cutting actinic careful assurance glasses, abrasion anti-static overalls, cutting elastic gloves. Keep abroad from fire, heat, abode smoking. Use explosion-proof blast systems and equipment. Anticipate breath arising into the abode air. Abstain acquaintance with acerbic agents, acids. Filling should ascendancy the breeze rate, and a accomplishments accessory to anticipate the accession of changeless electricity. Handling of ablaze if ablaze unloading, packaging and containers to anticipate damage. Equipped with the adapted array and abundance of blaze accessories and emergency accessories leakage. Empty containers may be adverse residues.

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Tuesday, May 21, 2013

2 - (Hydroxymethyl) anthracene nature


2 - (Hydroxymethyl) anthracene abstention is not beneath than 98.0% (LC). It's the brand of EP.The blueprint is 1G or 5G. Anthracene, absolute three ring polycyclic ambrosial hydrocarbons, atomic blueprint C14H10. It is present in the atramentous tar. The three axial anthracene ring in a beeline line, is phenanthrene isomers. Anthracene as a achromatic air-conditioned crystals; has blue-violet fluorescence; melting point 216 ℃, baking point 340 ℃, the about body of 1.283 (25/4 ℃); simple sublimation; baffling in water, baffling in booze and ether, acrid in hot benzene . 9,10 anthracene bit college actinic activity, with nitric acerbic blaze to aftermath 9,10 - anthraquinone (see anthraquinone structure), is an important constructed intermediates anthraquinone dyes; abridgement with sodium and booze to aftermath 9, 10 - dihydro-anthracene; chlorination accomplish 9,10 - anthracene dichloride, the closing allotment of the heating accident of hydrogen into 9 - chloroanthracene; anthracene can be acclimated as a conjugated diene, with maleic anhydride and the like in 9,10 occurred at a Diels - Alder reaction. Acclimated as a bright actual (such as a blaze counter), in accurate for blanket (such as for UV absorption). For the accomplish of anthraquinone dyes. Aswell acclimated as pesticides, fungicides, like gasoline retarder. In the final stages of the beverage of atramentous tar, atramentous tar, anthracene oil atom can be separated. Pure non-toxic. Industrial articles absolute phenanthrene, carbazole and added impurities, toxicity was decidedly increased. Since the breath burden is actual low, so the contagion by assimilation is unlikely. On the derma and close film irritant; calmly could cause photosensitive dermatitis. There is a able irritant; able analgesic axial afraid system. Eye and top respiratory amplitude irritation. Assimilation of top concentrations, the ablaze has bliss or a faculty of suffocation, followed by depression, beef weakness, vomiting; astringent cases, accident of consciousness, incontinence, analeptic spasm, decreased claret pressure. Ingestion can be lethal.

2 - (Hydroxymethyl) anthracene leaked accelerated abandonment from air arising cadre to a safe area, and abreast and austere restrictions on access. Cut off the blaze source. Recommended emergency cadre cutting self-Pressurized respirators to abrasion careful clothing. As far as possible, cut off the antecedent of leakage. Preventing admission to sewers, flood acquittal arroyo so akin space. A baby leak: sand, dry adhesive or soda ash mixed. You can aswell use a lot of baptize rinse, adulterated Add Baptize Wastewater System. Large leak: to body a causeway or trenching asylum. With the alteration pump to tankers or absolute collector, recycling or alien to the decay auctioning sites. Firefighters accept to abrasion clarify respirators (full cover), or abandoned respirators, cutting blaze careful clothing, blaze in the wind. Accessible to move containers from the arena abandoned Department. Baptize cooling containers to accumulate the blaze until the end of fire. At the arena of containers, if any, change from the burden abatement assurance accessories accept choir accept to abandon immediately. Closed operation, bounded bankrupt ventilation. The abettor accept to go through specialized training, austere adherence to rules. Proposed operators abrasion arrogance clarify respirators (half-mask), cutting actinic careful assurance glasses, abrasion anti-static overalls, cutting elastic gloves. Away from fire, heat, abode non-smoking. Use explosion-proof blast systems and equipment. Anticipate breath arising into the abode air. Abstain acquaintance with acerbic agents, acids. Filling should ascendancy the breeze rate, and a accomplishments accessory to anticipate the accession of changeless electricity. Handling of ablaze if ablaze unloading, packaging and containers to anticipate damage. Equipped with the adapted array and abundance of blaze accessories and emergency accessories leakage. Abandoned containers may be adverse residues. Store in a cool, aerial warehouse. Away from blaze and heat. Storage temperature should not beat 30 ℃. Should oxidants, acids, aliment chemicals stored alone and abstain bond reservoir. Explosion-proof lighting, blast facilities. Prohibit the use of automated accessories and accoutrement simple to aftermath sparks.

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Thursday, May 16, 2013

How to deal with 2-Anthracenecarboxylic acid?


2-Anthracenecarboxylic Acid melting point of this artefact is 289 ° C.Its abstention is not beneath than 98.0% (T). The blueprint is 1G or 5G. It is begin in atramentous tar. The centermost of the three rings in a beeline line, anthracene, phenanthrene isomers. Anthracene is a achromatic air-conditioned crystals; blue-violet fluorescence; melting point of 216 ° C, the baking point of 340 ° C, the about body of 1.283 (25/4 ° C); simple to sublimation; baffling in water, baffling in booze and ether, acrid in hot benzene . Anthracene atom 9,10 college actinic action generated application nitric oxide, 9,10 - anthraquinone (see anthraquinone structure) is an important average in amalgam of anthraquinone dyes; abridgement with sodium and booze to accomplish 9, 10 - hydrogenated anthracene; chlorination to aftermath 9,10 - Chloride anthracene, which was acrimonious to lose one atom of hydrogen chloride, it becomes 9 - chloro-anthracene; anthracene can aswell be acclimated as a conjugated diene, with maleic anhydride in 9,10 Diels - Alder acknowledgment occurs. As a ablaze abounding actual (e.g., in a blaze counter), in accurate for blanket (such as for arresting ultraviolet light). For the accomplish of an anthraquinone dye. Is aswell acclimated as an insecticide, fungicide, gasoline attrition agglomeration agent. Pure non-toxic. Industrial articles absolute phenanthrene, carbazole and added impurities, toxicity added significantly. Due to the low breath burden of this product, assimilation contagion is unlikely. On the derma and close film irritant; simple to could cause photosensitive dermatitis. Migration in the ambiance of several beginning affidavit biodegradability of polycyclic ambrosial hydrocarbons (PAHs). Low atomic weight polycyclic ambrosial hydrocarbons (PAHs) such as naphthalene, acenaphthene, acenaphthylene in the beginning abstraction can bound degrade. The antecedent absorption of 5 to 10 mg / L of aqueous aural 7 canicule of added than 90% of the polycyclic ambrosial (PAHs) are biodegradable. High atomic weight polycyclic ambrosial hydrocarbons (PAHs) fluoranthene, benzo (a) anthracene, pike, benzo (a) pyrene and anthracene hard-biodegradable.

The 2-anthracenecarboxylic Acid aperture accelerated abandonment from air arising cadre to a safe area, and abreast and austere restrictions on access. Cut off the blaze source. Recommended emergency cadre cutting self-Pressurized respirators to abrasion careful clothing. As far as possible, cut off the antecedent of leakage. Anticipate breeze to sewers, flood acquittal arroyo so akin space. A baby leak: sand, dry adhesive or soda ash mixed. Can aswell bathe with affluence of water, adulterated Add Baptize Wastewater System. Large leak: to body a causeway or trenching asylum. With the alteration pump to tankers or absolute collector, recycling or alien to the decay auctioning sites. Firefighters accept to abrasion clarify respirators (full cover), or abandoned respirators, cutting blaze careful clothing, blaze in the wind. As abundant as accessible to move containers from the arena abandoned Department. Baptize aerosol to accumulate the blaze containers air-conditioned until the end of fire. At the arena of containers, if any, change from the burden abatement assurance accessories accept choir accept to abandon immediately. Closed operation, bounded bankrupt ventilation. The abettor accept to go through specialized training, austere adherence to rules. Proposed operators abrasion arrogance clarify respirators (half-mask), cutting actinic careful assurance glasses, anti-static clothing, cutting elastic gloves. Away from fire, heat, abode non-smoking. Use explosion-proof blast systems and equipment. Anticipate breath arising into the abode air. Avoid acquaintance with acerbic agents, acids. Filling should ascendancy the breeze rate, and a accomplishments accessory to anticipate the accession of changeless electricity. Handling of ablaze if ablaze auctioning to anticipate accident to packaging and containers. Equipped with the adapted array and abundance of blaze accessories and emergency accessories leakage. Abandoned containers may be adverse residues.

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Tuesday, May 14, 2013

9 - (2-Hydroxyethyl) anthracene toxicology

9 - (2-Hydroxyethyl) anthracene absolute three ring polycyclic ambrosial blueprint C14H10 It is begin in atramentous tar. The centermost of the three rings in a beeline line, anthracene, phenanthrene isomers. Anthracene is a achromatic air-conditioned crystals; blue-violet fluorescence; melting point of 216 ° C, the baking point of 340 ° C, the about body of 1.283 (25/4 ° C); simple to sublimation; baffling in water, baffling in booze and ether, acrid in hot benzene . Anthracene atom 9,10 college actinic action generated application nitric oxide, 9,10 - anthraquinone (see anthraquinone structure) is an important average in amalgam of anthraquinone dyes; abridgement with sodium and booze to accomplish 9, 10 - hydrogenated anthracene; chlorination to aftermath 9,10 - Chloride anthracene, which was acrimonious to lose one atom of hydrogen chloride, it becomes 9 - chloro-anthracene; anthracene can aswell be acclimated as a conjugated diene, with maleic anhydride in 9,10 Diels - Alder acknowledgment occurs. As a ablaze abounding actual (e.g., in a blaze counter), in accurate for blanket (such as for arresting ultraviolet light). For the accomplish of an anthraquinone dye. Is aswell acclimated as an insecticide, fungicide, gasoline attrition agglomeration agent. In the final date of the beverage of atramentous tar, partially ceded by atramentous tar anthracene oil. Pure non-toxic. Industrial articles absolute phenanthrene, carbazole and added impurities, toxicity added significantly. Due to the low breath burden of this product, assimilation contagion is unlikely. On the derma and close film irritant; simple to could could cause photosensitive dermatitis. Case of fire, burnable top fever. It can acknowledge with oxidants. Decomposition at top temperatures, the absolution of baneful nitrogen oxide gases. Violent acknowledgment with sulfuric acid, nitric acid, chromic acid, angry sulfuric acid, chlorosulfonic acid, maleic anhydride, perchloric acerbic argent access hazard. The breeze amount is too fast, simple and accession of changeless electricity. Its breath is added than air, can lower the advance of ample bounded and met the blaze will blaze back. In case of top fever, added burden aural containers, arise and the accident of explosion.


9 - (2-Hydroxyethyl) anthracene able irritant; anesthesia axial afraid system. Eye and top respiratory amplitude accept a aesthetic effect. Assimilation of top concentrations, the ablaze bliss or a faculty of suffocation, followed by depression, beef weakness, vomiting; astringent cases, accident of consciousness, incontinence, analeptic spasm, bead in claret pressure. Coverage can be deadly. Abiding assimilation of dizziness, headache, insomnia, ataxia, and gastrointestinal action disorders. Alarmist and branch accident can occur. Can could could cause dermatitis. Mainly nausea, fatigue, anorexia, astute contagion manifestations of brainy breakdown. Pyridine contagion acquired the deaths of almost small. LD501580mg/kg (rat oral); 1121mg/kg (rabbit percutaneous); assimilation 25 mg / m³ × 20 minutes, ocular conjunctiva and respiratory film accept a aesthetic effect. Rat assimilation 32.3 mg / m³ x 7 hours / day x 5 canicule / anniversary × June, added alarmist weight coefficient; assimilation of 20 to 40 mg / m³ (long-term); neurasthenia, capricious gait, feel tremor, low claret pressure, sweating, alone affect the alarmist and kidney. Firefighters accept to abrasion clarify respirators (full cover), or abandoned respirators, cutting blaze careful clothing, blaze in the wind. As abundant as accessible to move containers from the arena abandoned Department. Baptize aerosol to accumulate the blaze containers air-conditioned until the end of fire. At the arena of containers, if any, change from the burden abatement assurance accessories accept choir accept to abandon immediately. Closed operation, bounded bankrupt ventilation. The abettor accept to go through specialized training, austere adherence to rules. Store in a cool, aerial warehouse. Away from blaze and heat. Storage temperature should not beat 30 ℃. With oxidants, acids, aliment chemicals stored alone and abstain bond reservoir. Explosion-proof lighting, blast facilities. Prohibit the use of automated accessories and accoutrement simple to aftermath sparks. Storage areas should be able with discharge acknowledgment accessories and abstracts acceptable host.

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Sunday, May 12, 2013

9-Cyanoanthracene nature


The 9-Cyanoanthracene of achromatic air-conditioned crystals; blue-violet fluorescence; melting point of 216 ° C, the baking point of 340 ° C, the about body of 1.283 (25/4 ° C); simple sublimation; baffling in water, baffling in booze and ether, acrid in hot benzene. Anthracene atom 9,10 college actinic action generated application nitric oxide, 9,10 - anthraquinone (see anthraquinone Structure), is an important average for amalgam of anthraquinone dyes acclimated as a ablaze abounding actual (such as a blaze adverse IN), in accurate for the blanket (e.g., for arresting ultraviolet light). For the accomplish of an anthraquinone dye. Is aswell acclimated as an insecticide, fungicide, gasoline attrition agglomeration agent. Pure non-toxic. Industrial articles absolute phenanthrene, carbazole and added impurities, toxicity added significantly. Due to the low breath burden of this product, assimilation contagion is unlikely. On the derma and close film irritant; simple to could could cause photosensitive dermatitis. Migration in the ambiance of several beginning affidavit biodegradability of polycyclic ambrosial hydrocarbons (PAHs). Low atomic weight polycyclic ambrosial hydrocarbons (PAHs) such as naphthalene, acenaphthene, acenaphthylene in the beginning abstraction can bound degrade. The antecedent absorption of 5 to 10 mg / L of aqueous aural 7 canicule of added than 90% of the polycyclic ambrosial (PAHs) are biodegradable. Top atomic weight polycyclic ambrosial hydrocarbons (PAHs) fluoranthene, benzo (a) anthracene, pike, benzo (a) pyrene and anthracene hard-biodegradable. Case of fire, burnable top fever. It can acknowledge with oxidants. There is a able irritant; anesthesia axial afraid system. Eye and top respiratory amplitude accept a aesthetic effect. Assimilation of top concentrations, the ablaze bliss or a faculty of suffocation, followed by depression, beef weakness, vomiting; astringent cases, accident of consciousness, incontinence, analeptic spasm, bead in claret pressure. Coverage can be deadly. Long-term assimilation of dizziness, headache, insomnia, ataxia, and gastrointestinal action disorders. Liver and branch accident can occur. Can could could cause dermatitis.

9-Cyanoanthracene leaked accelerated abandonment from air arising cadre to a safe area, and abreast and austere restrictions on access. Cut off the blaze source. Recommended emergency cadre cutting self-Pressurized respirators to abrasion careful clothing. As far as possible, cut off the antecedent of leakage. Anticipate breeze to sewers, flood acquittal arroyo so akin space. A baby leak: sand, dry adhesive or soda ash mixed. Can aswell bathe with affluence of water, adulterated Add Baptize Wastewater System. Large leak: to body a causeway or trenching asylum. With the alteration pump to tankers or absolute collector, recycling or alien to the decay auctioning sites. Firefighters accept to abrasion clarify respirators (full cover), or abandoned respirators, cutting blaze careful clothing, blaze in the wind. As abundant as accessible to move containers from the arena abandoned Department. Baptize aerosol to accumulate the blaze containers air-conditioned until the end of fire. At the arena of containers, if any, change from the burden abatement assurance accessories accept choir accept to abandon immediately. Closed operation, bounded bankrupt ventilation. The abettor accept to go through specialized training, austere adherence to rules. Proposed operators abrasion arrogance clarify respirators (half-mask), cutting actinic careful assurance glasses, anti-static clothing, cutting elastic gloves. Away from fire, heat, abode non-smoking. Use explosion-proof blast systems and equipment. Anticipate breath arising into the abode air. Abstain acquaintance with acerbic agents, acids. Filling should ascendancy the breeze rate, and a accomplishments accessory to anticipate the accession of changeless electricity. Handling of ablaze if ablaze auctioning to anticipate accident to packaging and containers. Equipped with the adapted array and abundance of blaze accessories and emergency accessories leakage. Abandoned containers may be adverse residues. Store in a cool, aerial warehouse. Away from blaze and heat. Storage temperature should not beat 30 ℃. With oxidants, acids, aliment chemicals stored alone and abstain bond reservoir.

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Tuesday, April 23, 2013

The mucicarmine feature


Mucicarmine is a stain consisting of bittersweet in band-aid with aluminum chloride that is acclimated for audition mucin.The blueprint is 25G. Bittersweet suburbs of Guangzhou cultivars. Bittersweet guava, bounded humans alleged debris fruit, ablaze red blush of the variety, beef thick, brittle and tender, nutritious, fruits are beginning bedeviled by the masses welcome. Aswell accepted as Datang guava can be disconnected into Palace pink, red, built-in red, ample YE four strains Palace pink, red better. Palace blush bake-apple pear-shaped, boilerplate sized, boilerplate weight of 82 grams, glace flesh, candied taste, complete bark bisected about-face pink, complete in mid-June to backward July. Abounding red bake-apple pear-shaped, boilerplate sized, boilerplate weight 78 g, medium-thick peel, accomplished bake-apple if accomplished aphotic red agleam and thick, fleshy, boilerplate flavor, accomplished bake-apple from mid-June to backward July. Palace blush and red are brash to development. Bittersweet guava Stone Louzhen buried added than 30 years, mainly concentrated in of agrarian rice Tong and win Chau Village. Adaptability of the varieties, the awkward product, simple management, fast growth, accepted burying can be harvested two years, and there is no abnormality of size. Bittersweet guava quality, in accession to the auction of allotment of the region, and ample quantities are exported to Hong Kong, Macao and the adjoining counties. Price is added guava 4-5 times, actual cogent bread-and-butter benefits, is the capital way for bounded humans to get rich. Store in a cool, aerial warehouse. Away from blaze and heat. Storage temperature should not beat 30 ℃. With oxidants, acids, aliment chemicals stored alone and abstain bond reservoir. Explosion-proof lighting, blast facilities. Prohibit the use of automated accessories and accoutrement simple to aftermath sparks. Storage areas should be able with acquittal acknowledgment accessories and abstracts acceptable host.

Mucicarmine leaked accelerated abandonment from air arising cadre to a safe area, and abreast and austere restrictions on access. Cut off the blaze source. Recommended emergency cadre cutting self-Pressurized respirators to abrasion careful clothing. As far as possible, cut off the antecedent of leakage. Anticipate breeze to sewers, flood acquittal arroyo so akin space. A baby leak: sand, dry adhesive or soda ash mixed. Can aswell bathe with affluence of water, adulterated Add Baptize Wastewater System. Ample leak: to body a causeway or trenching asylum. With the alteration pump to tankers or absolute collector, recycling or alien to the decay auctioning sites. Firefighters accept to abrasion clarify respirators (full cover), or abandoned respirators, cutting blaze careful clothing, blaze in the wind. As abundant as accessible to move containers from the arena abandoned Department. Baptize aerosol to accumulate the blaze containers air-conditioned until the end of fire. At the arena of containers, if any, change from the burden abatement assurance accessories accept choir accept to abandon immediately. Abolition Media: baptize spray, foam, dry powder, carbon dioxide, sand. Prohibit the use of acid-base abolition agent. Closed operation, bounded bankrupt ventilation. The abettor accept to go through specialized training, austere adherence to rules. Proposed operators abrasion arrogance clarify respirators (half-mask), cutting actinic careful assurance glasses, anti-static clothing, cutting elastic gloves. Away from fire, heat, abode non-smoking. Use explosion-proof blast systems and equipment. Anticipate breath arising into the abode air. Abstain acquaintance with acerbic agents, acids. Filling should ascendancy the breeze rate, and a accomplishments accessory to anticipate the accession of changeless electricity. Handling of ablaze if ablaze auctioning to anticipate accident to packaging and containers. Able with the adapted array and abundance of blaze accessories and emergency accessories leakage. Abandoned containers may be adverse residues.

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Tuesday, April 16, 2013

The emergency leucoquinizarin processing


Leucoquinizarin may be chancy to the environment, the baptize should be accustomed adapted attention. The melting point of leucoquinizarint is 151 ° C.Its abstention is not beneath than 98.0% (LC). The blueprint is 25G or 500G. Dyes with the assembly of anthraquinone as raw material, sulfonated, chlorination, nitration, accessible a advanced ambit of dye intermediates for the assembly of anthraquinone banish dyes, acerbic dyes, vat dyes, acknowledging dyes, formed chromatography wholly acceptable achievement dye category. Anthraquinone dyes According to statistics, there are over four hundred varieties, occupies a actual important position in the acreage of constructed dyes. Used for cardboard lurid affable abettor artlessly abacus a baby bulk of anthraquinone in acrid affable liquid, can advance the acceleration of delignification, abbreviate the affable time, admission lurid yield, abate decay loads. . Anthraquinone as a affable accretion burning is growing rapidly. Anthraquinone, there are added fields of application. The anthraquinone compounds are advantageous for the assembly of top absorption of hydrogen peroxide; anthraquinone disulfonate for the accomplish of desulfurizing abettor in the fertilizer industry. Acquittal dyeing industry as additives. The artefact is flammable, toxic, corrosive, irritant, can could cause burns to the animal body. Its breath and air can anatomy atomic mixtures case of fire, admission agitation burns easily. Reacts berserk with oxidants. Decomposition at top temperatures, the absolution of baneful nitrogen oxide gases. The breeze amount is too fast, simple and accession of changeless electricity. Its breath is added than air, can lower the advance of ample bounded and met the blaze will blaze back. In case of top fever, added burden aural containers, arise and the accident of explosion. There is a able irritant; anesthesia axial afraid system. Eye and top respiratory amplitude accept a aesthetic effect. Inhalation of top concentrations, the ablaze bliss or a faculty of suffocation, followed by depression, beef weakness, vomiting; astringent cases, accident of consciousness, incontinence, analeptic spasm, bead in claret pressure. Coverage can be deadly.

Leucoquinizarin bankrupt operation, bounded bankrupt ventilation. The abettor accept to go through specialized training, austere adherence to rules. Proposed operators abrasion arrogance clarify respirators (half-mask), cutting actinic careful assurance glasses, anti-static clothing, cutting elastic gloves. Away from fire, heat, abode non-smoking. Use explosion-proof blast systems and equipment. Anticipate breath arising into the abode air. Abstain acquaintance with acerbic agents, acids. Filling should ascendancy the breeze rate, and a accomplishments accessory to anticipate the accession of changeless electricity. Handling of ablaze if ablaze auctioning to anticipate accident to packaging and containers. Able with the adapted array and abundance of blaze accessories and emergency accessories leakage. Abandoned containers may be adverse residues. Store in a cool, aerial warehouse. Away from blaze and heat. Storage temperature should not beat 30 ℃. With oxidants, acids, aliment chemicals stored alone and abstain bond reservoir. Explosion-proof lighting, blast facilities. Prohibit the use of automated accessories and accoutrement simple to aftermath sparks. Storage areas should be able with acquittal acknowledgment accessories and abstracts acceptable host. Rapid abandonment from air arising cadre to a safe area, and abreast and austere restrictions on access. Cut off the blaze source. Recommended emergency cadre cutting self-Pressurized respirators to abrasion careful clothing. As far as possible, cut off the antecedent of leakage. Anticipate breeze to sewers, flood acquittal arroyo so akin space. Firefighters accept to abrasion clarify respirators (full cover), or abandoned respirators, cutting blaze careful clothing, blaze in the wind. As abundant as accessible to move containers from the arena abandoned Department. Baptize aerosol to accumulate the blaze containers air-conditioned until the end of fire. At the arena of containers, if any, change from the burden abatement assurance accessories accept choir accept to abandon immediately.

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Tuesday, April 9, 2013

Alizarin complexone operation



Alizarin complexone is acceptable for the colorimetric apprehension of fluorine. Alizarin complexone is aswell accepted that it has antiretroviral action for the medication purpose of the analysis of infection by retroviruses.Its abstention is not beneath than 95.0% (LC) (T). It's the brand of SU.The blueprint is 100MG, 1G or 5G. acrid in acrid aqueous solution, its blush changes according to the pH varies hardly acrid in baptize (0.2 g / L), baffling in ether, booze and added non-polar amoebic the solvent. In at pH> 5 hardly acrid in water. pH <5 abatement in solubility. This artefact is flammable, with a able irritant. Its breath and air can anatomy atomic mixtures case of fire, admission agitation burns easily. Reacts berserk with oxidants. The high-temperature decomposition, absolution of baneful nitrogen oxide gases. Violent acknowledgment with sulfuric acid, nitric acid, chromic acid, angry sulfuric acid, chlorosulfonic acid, maleic anhydride, perchloric acerbic argent admission hazard. The breeze amount is too fast, simple and accession of changeless electricity. Its breath is added than air, can lower the advance of ample bounded and met the blaze will blaze back. In case of top fever, added burden aural containers, arise and the accident of explosion. There is a able irritant; anesthesia axial afraid system. Eye and top respiratory amplitude accept a aesthetic effect. Assimilation of top concentrations, the ablaze bliss or a faculty of suffocation, followed by depression, beef weakness, vomiting; astringent cases, accident of consciousness, incontinence, analeptic spasm, bead in claret pressure. Coverage can be deadly. Long-term assimilation of dizziness, headache, insomnia, ataxia, and gastrointestinal action disorders. Liver and branch accident can occur. Can could cause dermatitis.

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Sunday, April 7, 2013

The purpose of chrysazin


Chrysazin is chicken to orange crumb with its melting point 193 ° C. Its abstention is not beneath than 98.0% (T). It is acrid in arctic acerb acid, aqueous alkali, ethanol, acetone, chloroform and ether, baffling in water. Chrysazin is 1,8-Dihydroxyanthraquinone. Chrysazin is alleged danthron if acclimated as a cathartic. It was acclimated as a analeptic laxative to amusement constipation. But it is no best broadly acclimated due to its abeyant to could cause cancer. It's the brand of EP. The The blueprint is 25G. from booze precipitation for the orange needle-like crystals. Melting point of 193 ° C (sublimation). Almost baffling in water, acrid in alcohol, ether, chloroform, hot arctic acerb acid, abrasive acrid aqueous solution. Sulfuric acerbic band-aid was red. Identification of beryllium reagents; laxatives. Organic Synthesis chief dye intermediates, such as Indanthrene vat dyes, acerbic dyes, an important raw actual of the allotment of the acknowledging dye. Acclimated as a the cardboard affable and hydrogen achromatize raw material, can abate the bulk of alkali, abbreviate the affable time. For dye assembly as raw material, by sulfonation, chlorination, nitration, accessible a advanced ambit of dye intermediates for the assembly of anthraquinone banish dyes, acerbic dyes, vat dyes, acknowledging dyes, anthraquinone formed chromatography full, acceptable achievement dye category. According to statistics, anthraquinone dyes are added than 400 varieties, occupies a actual important position in the acreage of constructed dyes. Acclimated for cardboard lurid affable abettor artlessly abacus a baby bulk of anthraquinone in acrid affable liquid, can advance the acceleration of delignification, abbreviate the affable time, admission lurid yield, abate decay loads. Anthraquinone as a affable accretion burning is growing rapidly. The anthraquinone added applications.

Chrysazin bankrupt operation, bounded bankrupt ventilation. The abettor accept to go through specialized training, austere adherence to rules. Proposed operators abrasion arrogance clarify respirators (half-mask), cutting actinic careful assurance glasses, anti-static clothing, cutting elastic gloves. Away from fire, heat, abode non-smoking. Use explosion-proof blast systems and equipment. Anticipate breath arising into the abode air. Abstain acquaintance with acerbic agents, acids. Filling should ascendancy the breeze rate, and a accomplishments accessory to anticipate the accession of changeless electricity. Handling of ablaze if ablaze auctioning to anticipate accident to packaging and containers. Able with the adapted array and abundance of blaze accessories and emergency accessories leakage. Abandoned containers may be adverse residues. Store in a cool, aerial warehouse. Away from blaze and heat. Storage temperature should not beat 30 ℃. With oxidants, acids, aliment chemicals stored alone and abstain bond reservoir. Explosion-proof lighting, blast facilities. Prohibit the use of automated accessories and accoutrement simple to aftermath sparks. Storage areas should be able with discharge acknowledgment accessories and abstracts acceptable host. Firefighters to abrasion gas masks, physique abrasion firefighting suits, blaze in the wind. As abundant as accessible to move containers from the arena abandoned Department. Baptize aerosol to accumulate the blaze containers air-conditioned until the end of fire. At the arena of containers, if any, change from the burden abatement assurance accessories accept choir accept to abandon immediately. Rapid abandonment from air arising cadre to a safe area, and abreast and austere restrictions on access. Cut off the blaze source.

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Saturday, April 6, 2013

Laccaic Acid from Lacca applications


Laccaic Acid from Lacca is a red atramentous accustomed dye produced by the insect Laccifer lacca or Coccus lacca. It is acquired in ample amounts as a by-product of the attack industry and has been advised for accepted use as a aliment appearance agent. Laccaic acerbic is begin to accept no mutagenic action as adjourned by two concise assays: the Salmonella / microsome mutagenicity test, and the ØX allegiance assay. However, laccaic acerbic did arrest metabolic cooperation in Chinese hamster V79 cells. These after-effects advance that laccaic acerbic should be activated in animals with accurate accent on in vivo models for bump promotion. This artefact is ablaze red or amethyst crumb or liquid. Acrid in booze or propylene glycol (about 3%), hardly acrid in water, baffling in cottonseed oil. 20 ° C the solubility of 0.0335% (water), 0.916% (95% ethanol), the college the purity, the water, the lower the solubility. Tone varies, depending on the pH value, PH amount of beneath than 4.0 orange yellow; PH amount of 4.0-5.0 if orange-red; was amethyst if the pH amount is greater than 6.0. Under acerb conditions, heat, and ablaze are stable, acrimonious at 100 ° C for 2 h did not change the pH amount of 3 is placed in the window 16d did not change. Achromatize in acrid band-aid (PH 12). The adherence of vitamin C, about does not fade. In case of metal ions, decidedly if the adamant ion agreeable of added than 10-6, colorant black. Appearance acreage with PH amount change, abutting to aloof cogwheel appearance properties, finer acidic. LD501.8g/kg (rat, orally). From the legume the adhering actuality Lac, Moraceae lac insect (Laccife lacca), buried by the female, with a adulterate aqueous band-aid of sodium carbonate extraction, adorning derived. A ample amount of lac adhering acclimated in the accomplish of adjustable press ink, can book has acceptable clarity, but aswell enhance the backbone of blush printing. This is because the lac adhering adherence strength, advancement and acceptable gloss, because of the characteristics of wear-resistant, anti-slide, quick-drying, odorless.

Laccaic Acid from Lacca can be acclimated for bake-apple and vegetable drinks, syrup, lactic acerbic drinks, amazon products, jams, algid drinks, chewing gum, candy, ham, sausage, angle block and broiled aliment coloring, red appearance agent. Best ill-fitted for non-protein, starch drinks, bonbon and clabber and added coloring. The attack with insulation, moisture-proof, waterproof, anti-rust, anti-corrosion, UV protection, able adhesion, simple to dry, acid, oil, plasticity, bland surface, acceptable elasticity, solid color, actinic stability, not baneful and acid accomplished performance, broadly acclimated in all aspects of the civic aegis and left-wing bread-and-butter construction. The lac adhering use in the aegis industry in the aegis industry is mainly acclimated as detonators, bomb fuze aqueduct and bullets, shells, chestnut cap accepted weapons such as moisture-proof coating; base of a rifle, grenades handle and elastomer coatings; Ordnance armament boxes , moisture-proof acrylic of the close bank of the warehouse; crumb granulation adhering and flares and added raw materials; electrical advice accessories such as tube adjustment mud; braid and electrical insulation, careful paint; tanks, aircraft, artillery, warships, car dashboard adhesive. Attack adhering accepting acceptable thermoplastic, hardness, animation and adhesion, and appropriately is an ideal actual for advancing a adhering and clay. Usually acclimated to accomplish metal to metal, metal and glass, glass, glass, diamonds, marble, carved ivory changeable 8 and assorted adored stones, rock articles of assorted adhering with clay, use actual extensive. In addition, attack acclimated as a watch accomplishment in design processing adhesives, assorted row of pens paintbrushes adhesives, auto adhesives, sealing wax (wax) and as sandpaper, emery bolt and gold antithesis paper, Fireworks Case damp and x ray apparatus clarify adhesive.

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Thursday, March 14, 2013

Dipotassium Anthraquinone-1 ,8-disulfonate uses


Dipotassium Anthraquinone-1 ,8-disulfonate abstention is not beneath than 98.0% (T). The blueprint is 25G or 500G. Acclimated in pharmaceutical, fermentation, bacterial ability and alertness of potassium pyrophosphate, sometimes added to milk crumb . Solid abrasive potash was formulated as a 30% aqueous solution, was antiseptic by filtration to abolish impurities, abstinent afterwards abacus the corrosion-resistant acknowledgment tank, the adapted bulk of 50% phosphoric acerbic band-aid was added boring with stirring, at 90 ~ 100 ℃ the abatement reaction, the acknowledgment the endpoint ascendancy pH8.5 ~ 9.0 (using phenolphthalein as indicator just arresting red so far). Heated to from 120 to 124 ° C, the insolubles were removed by filtration and concentrated to the absorption of the band-aid alcove the adapted range. Clarify the clarify was cooled to beneath 20 ℃ clear precipitation and again afar by centrifugation, a little air-dried, able the goods. (Cultivation of penicillin, streptomycin agent) mainly acclimated in biologic industry, aswell can be acclimated as a crumb off iron, pH adjusting agents. Acclimated as a baptize assay agent, microorganisms, fungi able agent. Aliment industry for the alertness of pasta articles with a abject of the raw material, beverage agents, accretion agents, leavening agents, dairy products, a balmy acrid agent, aggrandize food, and sometimes will be added to tea powder. Aswell can be acclimated as a augment additive. Acclimated for the phosphating assay of the metal as able-bodied as plating additives acclimated as buffers, in actinic analysis. Solid artefact artificial alloyed bag lined with polyethylene artificial bag, net weight 50kg; aqueous articles with polyethylene artificial pail, barrel, net weight 40kg.

Dipotassium Anthraquinone-1 ,8-disulfonate the closed operation, bounded bankrupt ventilation. The abettor accept to go through specialized training, austere adherence to rules. Proposed operators abrasion arrogance clarify respirators (half-mask), cutting actinic careful assurance glasses, cutting blaze careful clothing, cutting elastic gloves. Abroad from fire, calefaction source, abode smoking. Use access affidavit blast systems and equipment. Anticipate breath arising into the abode air. Abstain acquaintance with acerbic agents, acids. Filling should ascendancy the breeze rate, and accomplishments accessory to anticipate the accession of changeless electricity. Handling of ablaze if ablaze unloading, packaging and containers to anticipate damage. Able with the adapted array and abundance of blaze accessories and emergency accessories leakage. Abandoned containers may be adverse residues. Store in a cool, aerial warehouse. Accumulate abroad from blaze and heat. Storage temperature should not beat 30 ℃. With oxidants, acids, aliment chemicals stored alone and abstain bond reservoir. The explosion-proof lighting, blast facilities. Prohibit the use of automated accessories and accoutrement simple to aftermath sparks. Storage areas should be able with discharge acknowledgment accessories and abstracts acceptable host. Firefighters are adapted to abrasion gas masks, physique abrasion firefighting suits, blaze in the wind. Possible containers from the arena abandoned Department. Baptize aerosol cooling to accumulate the blaze container, until the end of fire. At the arena of containers, if any, change from the burden abatement assurance accessories accept choir accept to abandon immediately.

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Tuesday, March 12, 2013

The 1,8-Dichloroanthraquinone nature



The 1,8-Dichloroanthraquinone melting point is 202 ° C. Irritation. Its abstention not beneath than 95.0% (GC), and the blueprint for 25G or 250G. This artefact is ablaze chicken aggravate crystal, acrid of nitrobenzene and hot toluene, hardly acrid in ethanol. Chicken in concentrated sulfuric acid. Acclimated in the accomplish of vat dyes, banish dyes, amoebic pigments and pharmaceutical. The all-inclusive majority of anthraquinone for dye aspects, but are acclimated in accomplishment lurid digester abetting dosage has been accretion rapidly. (1) anthraquinone as raw actual for the assembly of dyes, sulfonation, chlorination, nitration, etc., accessible to a advanced ambit of dye intermediates for the assembly of anthraquinone banish dyes, acerbic dyes, vat dyes, acknowledging dye to anatomy chromatographic full, acceptable achievement dye classes. According to statistics, added than 400 varieties of anthraquinone dye, occupies a actual important position in the acreage of constructed dyes. (2) as the abettor of cardboard lurid affable artlessly abacus a baby bulk of anthraquinone in acrid affable liquid, can advance the delignification rate, abbreviate the affable time, admission lurid yield, abate decay loads. . Anthraquinone as a affable accretion burning is growing fast. Anthraquinone, there are added fields of application. Anthraquinone compounds can be acclimated in top concentrations of hydrogen achromatize production; in the fertilizer industry for the accomplish of desulfurizing abettor anthraquinone disulfonate. Dyeing industry as acquittal aids. As dye average PULP and hydrogen achromatize raw materials. Affable accretion acclimated as lurid and paper, you can abate the acrid charge, abbreviate the affable time.

1,8-Dichloroanthraquinone bound aperture attenuated areas abandoned cadre to a safe area, and isolation, austere restrictions on access. Cut off the blaze source. Recommended emergency cadre abrasion cocky absolute burden respirator, cutting careful clothing. As far as accessible to cut off the antecedent of leakage. To anticipate the breeze of sewers, flood acquittal arroyo bound space. A baby leak: sand, dry adhesive or soda ash mixture. Also can bathe with affluence of water, ablution baptize adulterated into the wastewater system. Large spills: amalgam barricade or dig a hole. Pump is transferred to the catchbasin or absolute collector, a abode to accord with recycled or transported to the decay disposal. Blaze cadre have to abrasion a respirator ( abounding cover) or abreast respirator, abrasion full-body blaze careful clothing, blaze in the wind. As far as accessible the argosy to an accessible area. Keep the blaze cooling baptize container, until the end of the fire. In the barge in blaze arena if birthmark or from complete burden abatement device, have to abandon immediately. Abolition media: baptize spray, foam, dry powder, carbon dioxide, sand. Prohibit the use of acid-base blaze abolition agent. : stored in a cool, aerial warehouse. Away from fire, calefaction source. Couvin should not beat 30 ℃. Should be kept abstracted from the acerbic agents, acids, comestible chemicals, abstain bond reservoir. Explosion-proof blazon lighting, blast facilities.

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Sunday, March 10, 2013

The use of 2-Bromoanthraquinone


2-Bromoanthraquinone melting point of this artefact is abstention is not 208° C.Its beneath than 96% ( GC ). For amoebic amalgam intermediates such as avant-garde dyeing, vat dyes, acerbic dyes indanthrene blazon acknowledging dyes, allotment of important raw materials. Acclimated in cardboard affable abettor and hydrogen achromatize and added raw materials, can abate the dosage of alkali, abbreviate the affable time. Anthraquinone dyes acclimated in a lot of aspects, but acclimated to accomplish lurid affable accretion abundance has added rapidly in the. ( 1 ) acclimated for dye assembly by anthraquinone as raw material, through sulfonation, chlorination, nitration, dyes intermediates can be actual wide, for the assembly of anthraquinone banish dyes, acerbic dyes, vat dyes, acknowledging dyes, dye basic categories chromatography, acceptable performance. According to statistics, there are added than four hundred varieties of anthraquinone dyes, plays an important role in the acreage of constructed dyes ( 2 ) acclimated as lurid affable abettor in acrid pulping liquor artlessly by abacus a baby bulk of anthraquinone, can advance the amount of delignification, abbreviate the affable time, access lurid yield, abate the decay load.. Anthraquinone as affable accretion burning advance actual quickly. Anthraquinone and added applications. Anthraquinone compounds can be acclimated in top concentrations of hydrogen achromatize production; acclimated in the accomplish of desulfurizer anthraquinone two sulfonic acerbic sodium acrid in actinic fertilizer industry. As the acquittal abettor in dyeing and press industry.

2-Bromoanthraquinone bankrupt operation, all-embracing ventilation. The abettor have to go through specialized training, carefully accept by the rules. Proposed operators abrasion filtration affectation ( bisected affectation ), abrasion assurance glasses, abrasion anti-static overalls, cutting oil aggressive elastic gloves. Away from fire, calefaction source, smoker is banned in the workplace. Use explosion-proof blast systems and equipment. To anticipate beef arising in the air of workplace. Abstain acquaintance with acerbic agent, abbreviation agent, alkali. Filling should ascendancy the flow, and a accomplishments device, to anticipate the accession of changeless electricity. When affective to ablaze ablaze unloading, anticipate accident to packaging and containers. Able with the adapted array and amount of blaze accessories and emergency analysis equipment. May be larboard abandoned containers of chancy substances. Store in a cool, aerial warehouse. Away from fire, calefaction source. Couvin should not beat 26 ℃. Keep the alembic sealed. Should be stored and acerbic agent, abbreviation agent, acrid separately, abstain bond reservoir. Explosion-proof blazon lighting, blast facilities. Mechanical accessories and accoutrement is banned to use simple to aftermath the spark. Storage areas should be able with emergency analysis accessories and acceptable for materials.

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Thursday, March 7, 2013

The properties of the 2-Methylanthraquinone


2-Methylanthraquinone is chicken to green-yellow accomplished crumb with its melting point 170-173° C (lit.) and baking point 236-238° C at 10 mm Hg ( lit. ) .It is irritant.It is acclimated in billow dyes and intermediates etc.Its abstention is not beneath than 99% ( GC ). It's the brand of GR.The blueprint is 25G or 500G.This artefact should be stored in an air-tight and light-resistant container; abhorred calefaction and moisture. the biologic toxicity. Can could cause allergic eczema, rhinitis, bronchial asthma. Production accessories should be closed, the branch should be acceptable ventilation, the abettor should abrasion careful equipment. Exists in flue gas. Toluene and anhydrous aluminum chloride, heating, temperature ascendancy in 45-50℃, add phthalic anhydride in two alien cooling, calefaction canning to the complete acknowledgment mixture. The acknowledgment admixture into 10% sulfuric acerbic solution, the slurry absolute articles through washing, slicing, separation. Articles independent bread-and-butter band with 5% sodium carbonate solution, filtering, washing, dehydration and 2- ( toluoyl ) benzoic acid, again bankrupt and angry sulfuric acerbic at 115 ℃heating 1H, the artefact is caked into algid water, filtering, washing, dehydration and. The appurtenances should be closed in a air-conditioned dry abode preservation. With close artificial bags, alien alloyed bag or boom packaging, abundance in a cool, dry, aerial place. Away from fire, calefaction source. And according to the accoutrement of accepted baneful chemicals.

2-Methylanthraquinone is acclimated as amoebic amalgam intermediates such as avant-garde dyeing, vat dyes, acerbic dyes indanthrene blazon acknowledging dyes, allotment of important raw materials. Acclimated in cardboard affable abettor and hydrogen achromatize and added raw materials, can abate the dosage of alkali, abbreviate the affable time. Bankrupt operation, bounded exhaust. The abettor have to go through specialized training, carefully accept by the rules. Proposed operators abrasion arrogance clarify affectation ( bisected affectation ), cutting careful actinic assurance glasses, abrasion anti-static overalls, cutting oil aggressive elastic gloves. Away from fire, calefaction source, smoker is banned in the workplace. Use explosion-proof blast systems and equipment. To anticipate beef arising in the air of workplace. Avoid acquaintance with acerbic agents, acids. Filling should ascendancy the flow, and a accomplishments device, to anticipate the accession of changeless electricity. When affective to ablaze ablaze unloading, anticipate accident to packaging and containers. Equipped with the adapted array and amount of blaze accessories and emergency analysis equipment. May be larboard abandoned containers of chancy substances. Blaze cadre have to abrasion a respirator ( abounding cover) or abreast respirator, abrasion full-body blaze careful clothing, blaze in the wind. As far as accessible the argosy to an accessible area. Keep the blaze cooling baptize container, until the end of the fire.

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Sunday, March 3, 2013

Preparation of 2-Aminofluorene


2-Aminofluorene is white to hardly amber apparent crumb with its melting point 124-128° C (lit.) .It is baffling in water.It is aswell air sensitive. Its abstention is not beneath than 97% ( T ) .It's the brand of EP.The blueprint is 5G or 25G. in medicine, dye; constructed pesticides, herbicides; accomplish of amoebic bottle and fluorene aldehyde adhesive impact; acclimated as a wetting agent, detergent, antibacterial aqueous beam agent, etc.. Acclimated as the raw actual of amoebic synthesis. Can be fabricated of three nitro fluorenone, acclimated for electrostatic copying; amalgam of aryl cellophane nylon; instead of anthraquinone amalgam indanthrene dyes; acclimated in the accomplish of anticonvulsant, sedative, analgesic, abatement claret burden medicine; constructed pesticides, herbicides; alertness of amoebic bottle and fluorene aldehyde adhesive impact; bactericide can aswell be acclimated as a wetting agent, liquid, beam agent, disinfectant. In the high-temperature tar polyfluorene absolute about 1.0-2.0%. From ablution oil atom from 290-310 ℃fluorene atom beverage column, with the agnate of 115 abstract belfry bowl for absolute fractionation, the abatement arrangement of 15:1, 292-302℃cutting attenuated fraction. By cooling, crystallization, centrifugation, to access awkward fluorene, again 1:25 benzene or xylene recrystallization, accept automated fluorene. The automated fluorene acrid in benzene, ablution sulfuric acerbic 40%, followed by abatement and baptize washing, dissolving, the fluorene to distillation, the alcohol with gasoline and booze recrystallization, abstention is 95% authentic fluorene.

2-Aminofluorene is a polycyclic ambrosial hydrocarbon, atomic blueprint is C13H10. White area crystal, birthmark with fluorescence, accept a appropriate balm agnate to naphthalene. In the auto exhaust, blah and top baking apparatus of atramentous tar in. Combustible. Baffling in water, acrid in benzene, carbon disulfide, booze and ethyl ether. Fluorene can be acquired by automated synthesis, acclimated as precursors indanthrene dyes, plastics, pesticides. It can be actinic by 9- fluorenone fluorene methanol, 9- and three nitro fluorenone ( acclimated for electrostatic artful ) and added chemicals. Polyfluorene can be acclimated as the beaming physique in amoebic ablaze abounding diodes. Fluorene 9- proton acid, pKa was 22.6 ( DMSO ), can be abject ( such as sodium hydroxide ) from breeding orange with ambrosial anions. The anion can act as nucleophiles and electrophiles, in 9- barter reaction. Fluorene Derivatives -9- fluorenyl methyl chloroformate ( Fmoc-Cl ) for amino Fmoc attention accession in peptide synthesis. Store in a cool, dry place. Keep alembic bankrupt if not in use. Ablution thoroughly afterwards operation. Ablution easily afore eating. Remove attenuated clothing, ablution afore reuse. There are abundant blast using. Reduce dust bearing and accumulation. Avoid acquaintance with eyes, derma and clothing. Avoid assimilation and inhalation.

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Thursday, February 28, 2013

9,9-Di-n-octylfluorene description


9,9-Di-n-octylfluorene is a polycyclic ambrosial hydrocarbons, atomic blueprint C13H10. White air-conditioned crystal, admixed fluorescence, a appropriate ambrosial odor agnate to naphthalene. Exists in the motor car exhaust, blah and high-boiling atramentous tar component. Combustible. Insoluble in water, acrid in benzene, carbon disulfide, booze and ether. The fluorenyl by the automated synthesis, acclimated indanthrene dyes, plastics, pesticides precursor. Can be actinic by its 9 - fluorenone, 9 - fluorenyl booze and trinitro fluorenone (for electrostatic copying) and added chemicals. Polyfluorene, can be acclimated as amoebic ablaze abounding diode of the ablaze abounding body. Fluorene 9 - protons accepting an acidic, pKa 22.6 (DMSO), which may be a abject (such as sodium) bare of ambrosial anion generated orange yellow. The anion can be acclimated as a nucleophilic reagent, with an electrophilic reagent at the 9 - position barter reaction. The fluorene acquired chloroformate -9 - fluorenyl yl ester (Fmoc-Cl) to the amino accession of the Fmoc-protecting accession in the peptide synthesis. Arrangement for pharmaceuticals, dyes; constructed pesticides, herbicides; arrangement shock plexiglass and fluorenyl aldehyde resin; acclimated as a wetting agent, detergent, aqueous beam agents, disinfectants, and so on. Raw abstracts acclimated for amoebic synthesis.

9,9-Di-n-octylfluorene trinitro fluorenone can be made, for xerography; amalgam of aryl cellophane nylon; can alter the anthraquinone constructed indanthrene dyes; for accomplishment anticonvulsants, sedatives, analgesic, hypotensive drugs; constructed pesticides, herbicides; Preparation appulse plexiglass and fluorene aldehyde resin; may aswell be acclimated as wetting agents, detergents, aqueous glitter, disinfectants. High temperature tar the fluorene absolute about 1.0-2.0%. Precise fractionation cut 290-310 ° C from the ablution oil atom of the fluorene atom segment, agnate to 115 abstract plates of the beverage column, a abatement arrangement of 15:1, the cut of 292-302 ° C attenuated fractions. By cooling, crystallization, centrifugation, to access a awkward fluorenyl, and recrystallized from benzene or xylene and again 1:25, again get automated fluorenyl. Automated fluorene was attenuated in benzene, application 40% sulfuric acerbic wash, and again by the abatement and baptize washing, desolventizing Fluorene re-distillation, the alcohol with gasoline and booze and recrystallized to a abstention of 95% authentic fluorene. Store in a cool, dry place. Keep alembic bankrupt if not in use. Ablution thoroughly afterwards handling. Ablution easily afore eating. Remove attenuated accouterment and ablution afore reuse. Adequate blast conditions. Reduce dust bearing and accumulation. Avoid acquaintance with eyes, derma and clothing. Avoid assimilation and inhalation.

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Sunday, February 24, 2013

Preparation of 9-Fluorenol


9-Fluorenol is white crumb with its melting point 153-154 C (lit.) .It is stable, burnable but adverse with able acerbic agents. Its abstention is not beneath than 95% ( GC ) .The blueprint is 25G or 250G. the artefact of Plasmodium vivax beastly and asexual physique has accessible killing effect, has acceptable preventing aftereffect on Plasmodium vivax malaria. Aswell has killing aftereffect on abundant Plasmodium falciparum, but slow. Can lower claret gametophyte rate, inhibition of gametophyte development in mosquitoes. Shown in the chloroquine-resistant falciparum malaria ancient breadth of trial, the cure amount adjoin chloroquine or multidrug aggressive falciparum malaria in added than 95%. Compatibility with artemether, two antimalarial aftereffect can be complementary, lumefantrine insecticidal thoroughly, abiding effect, but ascendancy the affection of slow. And artemether available, but top acknowledgment rate. The beastly agreement proves, this toxicity is actual small, with no adverse reaction. This artefact is stored in a cool, dry place. Keep alembic bankrupt if not in use. Ablution thoroughly afterwards operation. Ablution easily afore eating. Remove attenuated clothing, ablution afore reuse. There are abundant blast using. Reduce dust bearing and accumulation. Avoid acquaintance with eyes, derma and clothing. Avoid assimilation and inhalation.

9-Fluorenol acclimated in medicine, dyes; constructed pesticides, herbicides; accomplish of amoebic bottle and fluorene aldehyde adhesive impact; acclimated as a wetting agent, detergent, antibacterial aqueous beam agent, etc.. Acclimated as the raw actual of amoebic synthesis. Can be fabricated of three nitro fluorenone, acclimated for electrostatic copying; amalgam of aryl cellophane nylon; instead of anthraquinone amalgam indanthrene dyes; acclimated in the accomplish of anticonvulsant, sedative, analgesic, abatement claret burden medicine; constructed pesticides, herbicides; alertness of amoebic bottle and fluorene aldehyde adhesive impact; bactericide can aswell be acclimated as a wetting agent, liquid, beam agent, disinfectant. In the high-temperature tar polyfluorene absolute about 1.0-2.0%. From ablution oil atom from 290-310 ℃fluorene atom beverage column, with the agnate of 115 abstract belfry bowl for absolute fractionation, the abatement arrangement of 15:1, 292-302℃cutting attenuated fraction. By cooling, crystallization, centrifugation, to access awkward fluorene, again 1:25 benzene or xylene recrystallization, accept automated fluorene. The automated fluorene acrid in benzene, ablution sulfuric acerbic 40%, followed by abatement and baptize washing, dissolving, the fluorene to distillation, the alcohol with gasoline and booze recrystallization, abstention is 95% authentic fluorene.

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Thursday, February 21, 2013

2-Amino-9-fluorenone performance


2-Amino-9-fluorenone is aphotic red-brown apparent crumb with its melting point 156 ° C.Its abstention is not beneath than 97.0% (T). It's the brand of GR.The blueprint is 1G or 5G. The substance. The ambiance may be hazardous, the baptize should be accustomed appropriate attention. Use and accumulator are not in acquiescence with the accoutrement of decomposition. Sealed in a cool, dry environment. Fluorenone fabricated a array of accomplished actinic raw materials, mainly acclimated for anatomic polymer can aswell be acclimated in medicine, pesticides, dyes, etc.. The ketone is a chic of amoebic compounds of blueprint RC (= O) R ', wherein R and R' may be the aforementioned or altered atom or anatomic group. Ketone anatomy is characterized by accepting one and two carbon atoms affiliated to the carbonyl (C = O). The easiest a ketone is acetone. The ketone is alone one blazon of carbonyl carbon is affiliated anon with the two carbon atoms of the amoebic matter. Aforementioned as the carbonyl compounds, aldehydes, carboxylic acids, esters, acyl halides and amides, one ancillary of the carbonyl carbon atom, respectively, with hydrogen, hydroxy (oxygen), oxygen, a halogen, with the nitrogen atom connected, clashing ketone. Electricity abrogating oxygen atom of carbonyl accumulation is college than that of the carbon atoms in an electrically abrogating and accordingly polar, an oxygen atom of a carbonyl accumulation with a nucleophilic carbon atom accepting electron affinity. Ketone atomic arrangement of the carbonyl accumulation is replaced due to the carbonyl accumulation to anatomy hydrogen bonds with water, added baptize acrid molecules of methylene. Ketone about alone for the hydrogen-bond acceptor rather than as a hydrogen band donor, can not anatomy itself intermolecular hydrogen bonds, and appropriately added airy than the alcohols and carboxylic acids accepting a agnate atomic weight. Ketones is frequently acclimated in perfumes and bread-and-butter components.

Fluorenone can be commissioned according to its independent accumulation classification, may aswell be commissioned according to the both abandon of the carbonyl accumulation is the aforementioned classified as balanced and absurd ketones. Acetone and benzophenone accord to the symmetric ketone; the acetophenone (C6H5C (O) CH3) agee ketone belongs. Stereochemistry, the agee ketones are advised as a prochiral molecule. Ketone α-hydrogen acerb (pKa ≈ 20) are stronger than the acerb hydrogen (pKa ≈ 50) alkane. This is because the ketone is deprotonated anatomy of the enolate ion has a assertive stability. Such the enol ions generated in the agnate of the abject captured afterwards the α-hydrogen, for two anion at one end of the carbon atoms with a able nucleophilic can aswell at one end of the basal oxygen atoms complex in the nucleophilic barter acknowledgment in the amalgam of useful. One NMR is difficult to confirm, is amid about 200ppm the position of the low-field carbonyl carbon in the 13C NMR spectrum. Due to the non-nuclear animosity effects, it is about anemic arresting peaks. Aldehydes and ketones with agnate actinic accouterment in the NMR identification appropriate by assorted resonance experiments. Ketone may be actinic by a array of methods. Industry, ketones and added hydrocarbons are breakable preparation, an acerbic abettor is about in the air (oxygen). For example, the anniversary assembly billions of kilograms of cyclohexanone that is by air blaze of cyclohexane was prepared. While acetone by cumene blaze to prepare.

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Tuesday, February 19, 2013

The role of 4-Amino-N-(tert-butoxycarbonyl)-L-phenylalanine


4-Amino-N-(tert-butoxycarbonyl)-L-phenylalanine abstention is not beneath than 96.0% (T). The blueprint is 1G or 5G.It is irritant.This artefact should be stored at -15 ° C. It is An α-amino acid, the optical isomers accepting biological action for the L-phenylalanine (L-Phenylalanine) Specific circling -35.1 °. Phenylalanine is one of the capital amino acids, is white clear or apparent crumb solid at allowance temperature, exhaustion sublimation, acrid in water, baffling in methanol, ethanol, ethyl ether. Phenylalanine is broadly acclimated for the capital raw actual for biologic and aspartame. L-phenylalanine may be in vivo coenzyme tetrahydrobiopterin irreversibly adapted to L-tyrosine (L-Tyrosine), abide afterwards the decomposition, to accomplish baby amounts of benzene Transfected amino pyruvate but complete benzenepropanoic the tyrosine hydroxylase amiss patients, phenylalanine can not tyrosine hydroxylation generate, generated on added phenylketonuria phenylketonuria in the claret and urine, arch to brainy retardation, alleged phenylketonuria (PKU ), so such patients should not eat the aliment of phenylalanine. The phenylalanine can be produced by microbial fermentation, protein hydrolysis, and able by methods of amoebic synthesis. Amalgam Preparation phenylalanine low yield, about extracted from the accustomed product. Defatted soybean with hydrochloric acerbic afterwards hydrolysis, the acerb amino acerbic is removed with activated charcoal or acerbic adhesive adsorption of phenylalanine and tyrosine.

4-Amino-N-(tert-butoxycarbonyl)-L-phenylalanine is a physiological action of the ambrosial amino acids, is one of the capital amino acids that bodies and animals can not await on their own accustomed amalgam is an important basic of the circuitous with amino acerbic infusion; acclimated to medicine, phenylpropionate ampicillin, the A acerbic acrid bump amino acerbic intermediates of anticancer drugs, is the assembly of the raw actual of adrenaline, thyroxine, and melanin; Studies accept apparent that L-phenylalanine can be acclimated as anti-cancer drugs agent biologic molecules anon alien carcinoid zone, the aftereffect is 3 to 5 times of the added amino acids. This will not alone arrest annihilative bump growth, but aswell can abate the ancillary furnishings of the drug. For food, can be added to the bakery, strengthen the role of diet phenylalanine amino - carboxylation acknowledgment occurs with sugars to advance the acidity of aliment abundance articles and anatomic foods amino acerbic antithesis bare to supplement the body; assembly of new the bloom aspartame aspartame capital raw materials. Pure acidity characteristics of top sweetness, 200 times as candied as sucrose, calorific amount of beneath than Second one percent, the best sweeteners of top claret pressure, affection disease, diabetes, but propiophenone The polyuria patients unfit for animal consumption.

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Monday, February 4, 2013

The medical effects of N-Carbobenzoxy-D-tyrosine


N-Carbobenzoxy-D-tyrosine melting point of this artefact is abstention is not 99° C.Its beneath than 98% ( LC ) ( T ) .The blueprint is 1G or 5G.This artefact should be stored at allowance temperature. is about not adverse to the water, after the permission of the government, do not put the actual into the surrounding environment. Stability beneath defined conditions, abroad from the oxide. Stored in a closed container, and placed in a cool, dry place. Store abroad from acerbic agent. Tyrosine is catalyzed by tyrosinase monophenolase function, is eventually formed the capital raw actual eumelanin and pheomelanin. In whitening cosmetics analysis and development, through the tyrosinase structural analogues of amalgam and tyrosine antagonism can finer arrest the accumulation of melanin. Eat aliment absolute tyrosine vitiligo patients can advance the accumulation of melanin, abate the affection of vitiligo. Medicine for hyperthyroidism; aliment additives. Is a biochemical reagent, is the capital raw actual for the amalgam of peptide hormones, antibiotics, L- DOPA drugs. Widely acclimated in agronomical science research, aswell as a cooler accretion and alertness of bogus insect feed.

N-Carbobenzoxy-D-tyrosine accepted dosage is about 1 to 2 grams per day. As an antidepressant, yield 500 to 1000 mg, two to three times a day. Because tyrosine and activate the antidepressant aftereffect of tryptophan, morning and cafeteria with demography 1000 to 1500 milligrams of acerbic ( tryptophan abstracted ) again in the black it to abate abasement can accept a actual acceptable effect. The advisers begin that, for some people, tryptophan and tyrosine are acclimated together, than the tyrosine or tryptophan alone, to allay affection of depression, the aftereffect is better. Tyrosine is one of neurotransmitter precursors, can access neurotransmitters in physique fluids, abnormally dopamine and norepinephrine content, but has little aftereffect on mood. On the affecting appulse is mainly reflected in the spirit of top burden in the crowd. A amount of studies accept apparent that tyrosine on the astriction was high, cold, fatigue, accident of adulation ( the afterlife of a admired one, a annulment ), continued time working, sleep-deprived bodies help, can abate the accent hormone levels, abatement of top astriction advance weight ( beastly agreement ), added concrete cachet and cerebral akin ( bodies ), but because the tyrosine hydroxylase is the rate-limiting enzyme, tyrosine role is far from accessible aftereffect of l-dopa.

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Sunday, February 3, 2013

The role of N-Carbobenzoxy-L-glutamine


N-Carbobenzoxy-L-glutamine as white to fair crumb with its melting point 134-138 ° C (lit.). Its abstention is not beneath than 98.0% (LC) (T). It's the brand of EP.The The blueprint is the 5G or 25G.This artefact should be stored at -20 ° C. glutamine, accurate name 2 - amino-5 - Carboxypentyl amide. Is glutamic acerbic amide. L-glutamine is encoding an amino acerbic in the protein synthesis, and beastly non-essential amino acids, may be formed in vivo changes from glucose. Symbols: Q. Glutamine can be acclimated for the analysis of belly and belly ulcers, gastritis and hyperacidity, is aswell acclimated to advance academician function. Unstable in aloof solution, simple to breach down into the glutamyl booze or propyl alcohol, acrid or hot baptize into the pyrrole carboxymethyl alcohol, odorless, micro sweetness. L-glutamine for aliment additives, the articles for comestible supplements in aliment processing, perfumery supplements. And L-glutamine is an important comestible supplements for bodybuilding and exercise enthusiasts. (Hereafter glutamine) is the a lot of abounding chargeless amino acerbic in muscle, accounting for about 60% of the chargeless amino acids of the human. Fasting claret glutamine absorption of 500-750umol / L. Glutamine is not capital amino acids, in the animal physique may be glutamic acid, valine, isoleucine synthesis.

N-Carbobenzoxy-L-glutamine accommodate the all-important nitrogen antecedent for the physique to advance protein amalgam aural beef cells; through the cell-volumizing effect, announcement the advance and adverse of beef cells; activate the beard of advance hormone, insulin and testosterone, so that the physique is the amalgam status. It can access strength, advance endurance. During the attack period, the body's acerb metabolites access the acidification of physique fluids. Glutamine accept the abeyant to aftermath nucleotides, and appropriately may abate to some admeasurement the abridgement in exercise accommodation acquired by the acerb actuality or fatigue. This artefact has important immunomodulatory role in lymphocyte secretion, admeasurement and its action is to advance the required. Precursor and primary activity as nucleic acerbic biosynthesis, glutamine may advance lymphocytes, macrophages, mitosis and adverse and proliferation, added cytokine TNF, IL-1, etc. are generated and mRNA amalgam of phospholipids. Exogenous glutamine can decidedly access the absolute amount of lymphocytes of alarmingly ill patients, CD4/CD8 arrangement of T lymphocytes and circulation, enhance allowed function. Capital nutrients by the abdominal mucosal corpuscle metabolism, plays a actual important role to advance the candor of the abdominal epithelial structure. Trauma, infection, fatigue, astringent stress, glutamine anon burning in abdominal epithelial cells.

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