Aniline
Category:
Aniline is one of the most important intermediates in the dye industry, which can be used in the manufacture of acid ink blue G, acid medium BS, acid light yellow, direct orange S, direct peach, indigo, dispersed yellow brown, cationic peach FG and reactive brilliant red X-SB, etc. In terms of organic pigments, it is used to manufacture gold red, gold red g, big red powder, phenol cyanine red, oil soluble black, etc. In printing and dyeing industry for dye aniline black; In the pesticide industry for the production of many pesticides, fungicides such as DDV, weed ether, toxoxamine, etc.; Aniline is an important raw material of rubber auxiliaries, used in the manufacture of antioxidant A, antioxidant ding, antioxidant RD and antioxidant 4010, accelerator M, 808, D and CA, etc. It can also be used as the raw material of pharmaceutical sulfonamide, and also as the intermediate of the production of spices, plastics, varnishes, film, etc. And can be used as a stabilizer in explosives, anti-explosion agent in gasoline and as a solvent; Other can also be used to make hydroquinone, 2- phenylindoles and so on.
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Detailed Introduction
图文详情
Molecular formula: C6H7N
Structural formula:
Molecular weight: 93.14
Introduction:
Properties: Properties: Colorless or yellowish oily liquid, with strong odor.
Melting point (℃) : -6.2
Relative density (water =1) : 1.02
Boiling point (℃) : 184.4
Relative vapor density (air =1) : 3.22
Saturated vapor pressure (kPa) : 2.00(77℃)
Heat of combustion (kJ/mol) : 3389.8
Critical temperature (℃) : 425.6
Critical pressure (MPa) : 5.30
Pair value of octanol/water partition coefficient: 0.94
Refractive index: 1.5863
Explosion limit %(V/V) : 11.0
Lower explosive limit %(V/V) : 1.3
Solubility: slightly soluble in water, soluble in ethanol, ether, benzene.
Uses: Aniline is one of the most important intermediates in the dye industry, which can be used in the manufacture of acid ink blue G, acid medium BS, acid light yellow, direct orange S, direct peach, indigo, dispersed yellow brown, cationic peach FG and reactive brilliant red X-SB, etc. In terms of organic pigments, it is used to manufacture gold red, gold red g, big red powder, phenol cyanine red, oil soluble black, etc. In printing and dyeing industry for dye aniline black; In the pesticide industry for the production of many pesticides, fungicides such as DDV, weed ether, toxoxamine, etc.; Aniline is an important raw material of rubber auxiliaries, used in the manufacture of antioxidant A, antioxidant ding, antioxidant RD and antioxidant 4010, accelerator M, 808, D and CA, etc. It can also be used as the raw material of pharmaceutical sulfonamide, and also as the intermediate of the production of spices, plastics, varnishes, film, etc. And can be used as a stabilizer in explosives, anti-explosion agent in gasoline and as a solvent; Other can also be used to make hydroquinone, 2- phenylindoles and so on.
Aniline is an important raw material for the production of pesticides, from which aniline can be derived N-alkyl aniline, alkyl aniline, o-nitroaniline, cyclohexylamine, etc., and can be used as an intermediate of fungicide sodium dirust, seed mix, insecticides triazophosphorus, pyrimazion, quetiaphosphorus, herbicide methachlor, cycloazinone, imidazolinolinic acid, etc.
Health hazards: This product mainly causes methemoglobinemia, hemolytic anemia and liver and kidney damage. I transcutaneous absorption. Acute poisoning: the patient's lips, fingers, auriculae cyanosis, headache, dizziness, nausea, vomiting, finger numbness, trance, etc. Severe poisoning, the skin, mucous membranes serious blue, breathing difficulties, convulsions, even coma, shock. Hemolytic jaundice, toxic hepatitis, and kidney damage occurred. Chemical cystitis may be present. Eye contact causes conjunctival keratitis. Chronic poisoning: The patient presents with neurasthenic syndrome, accompanied by mild cyanosis, anemia, and enlargement of the liver and spleen. Skin contact can cause eczema.
Dangerous characteristics: alkaline, can combine with hydrochloric acid to form hydrochloride, and sulfuric acid to form sulfate. It can play the role of halogenation, acetylation and diazotization. In case of open fire, high heat flammable, burning flame will produce smoke. Strong reactions with acids, halogens, alcohols and amines will cause combustion.
Storage precautions: Store in a cool, ventilated warehouse. Keep away from fire and heat. The temperature of the storage room should not exceed 30℃, and the relative humidity should not exceed 80%. Store away from light. The package should be sealed and not in contact with air. It should be stored separately from oxidants, acids and edible chemicals, and should not be mixed. Equipped with the corresponding variety and quantity of fire equipment. The storage area should be equipped with leak emergency treatment equipment and suitable holding materials
Toxicology data: Acute toxicity: LD50250mg/kg (rat oral); 1400mg/kg (rat percutaneous); 1000mg/kg(without oral passage); 820mg/kg (rabbit transdermal); LC50665mg/m2 (Mouse inhalation, 7h)
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