1,4-벤젠다이아민

1,4-벤젠다이아민 속성

1,4-벤젠다이아민 MSDS

C.I. 76060

1,4-벤젠다이아민 C화학적 특성, 용도, 생산

개요

Paraphenylenediamine (PPD) is a colorless compound oxidized by hydrogen peroxide in the presence of ammonia. It is then polymerized by a coupling agent to produce a color.

화학적 성질

p-Phenylenediamines are white to slightly red crystalline solids. They have been described as gray “light brown” which may result from exposure to air.

물리적 성질

White, red, or brown crystals. May darken on exposure to air.

용도

p-Phenylenediamine is used for dyeing hairand fur, in the manufacture of azo dyes, inaccelerating vulcanization of rubber, and inantioxidants.

정의

ChEBI: A phenylenediamine in which the amino functions are at positions 1 and 4 of the benzene nucleus.

일반 설명

A white to purple crystalline solid (melting point 234 F) that turns purple to black in air. Flash point 309 F. Toxic by skin absorption, inhalation or ingestion. Used for production of aramid fiber, antioxidants, as a laboratory reagent, in photographic developing, and as a dye for hair and furs.

공기와 물의 반응

Oxidizes on exposure to air. The finely powdered base if suspended in air poses a significant dust explosion hazard. Soluble in water. Even as a solid will spot downwind areas purple/black (Roger Patrick, DuPont Engineer).

반응 프로필

p-Phenylenediamine is the stongest of the weak aromatic bases. p-Phenylenediamine neutralizes acids in weak exothermic reactions to form salts. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Reacts readily with oxidizing agents .

화재위험

Combustible material: may burn but does not ignite readily. When heated, vapors may form explosive mixtures with air: indoors, outdoors and sewers explosion hazards. Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated. Runoff may pollute waterways. Substance may be transported in a molten form.

색상 색인 번호

PPD is a colorless compound oxidized by hydrogen peroxide in the presence of ammonia. It is then polymerized to a color by a coupling agent. Although a wellknown allergen in hair dyes, PPD can be found as a cause of contact dermatitis in chin rest stains or in milk testers. It is also a marker of group sensitivity to para amino compounds such as benzocaine, some azo dyes, and some previous antibacterial sulphonamides.

Safety Profile

Suspected carcinogen with experimental tumorigenic data. Poison by ingestion, subcutaneous, intravenous, and intraperitoneal routes. Mildly toxic by skin contact. A human skin irritant. Mutation data reported. Implicated in aplastic anemia, Can cause fatal liver damage. The p-form is more toxic and a stronger irritant than the 0and misomers. Wen used as a hair dye it caused vertigo, anemia, gastritis, exfoliative dermatitis, and death. Has caused asthma and other respiratory symptoms in the fur-dyeing industry. Combustible when exposed to heat or flame; can react vigorously with oxidizing materials. To fight fire, use water, Con, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes. See also other phenylenediamine entries and AMINES

잠재적 노출

p-Phenylenediamine has been used in dyestuff manufacture, in hair dyes; in photographic developers; in synthetic fibers; polyurethanes, and as a monomer and in the manufacture of improved tire cords. Also used as a gasoline additive and in making antioxidants.

Carcinogenicity

A number of dermal carcinogenesis bioassays have been reported using p-PDA alone in an organic solvent or in combination with hydrogen peroxide. An 85-week study in which female Swiss mice were treated with 5% or 10% p-PDAin acetone, 0.02 mL/animal applied topically, showed no evidence of carcinogenicity.
p-PDA was not found to be carcinogenic when administered by diet to male and female F344 rats and B6C3F1 mice at the dietary doses of 625 or 1250 ppm; the high dose approximated the maximum tolerated dose. An IARC Working Group concluded that on the basis of lack of human data, and inadequate animal data, p-PDA was not classifiable as to its carcinogenicity to humans. A recent meta-analysis of 11 case-control studies and one cohort study of the relationship between p-PDA exposure through use of personal hair dye and bladder cancer did not indicate any causal association.

환경귀착

Biological. In activated sludge, 3.8% mineralized to carbon dioxide after 5 d (Freitag et al., 1985). In activated sludge inoculum, following a 20-d adaptation period, 80.0% COD removal was achieved (Pitter, 1976).
Photolytic. A carbon dioxide yield of 53.7% was achieved when phenylenediamine (presumably an isomeric mixture) adsorbed on silica gel was irradiated with light (λ >290 nm) for 17 h (Freitag et al., 1985).
Chemical/Physical. p-Phenylenediamine will not hydrolyze because it does not contain a hydrolyzable functional group (Kollig, 1993).

운송 방법

UN1673 Phenylenediamines (o-, m-, p-), Hazard Class: 6.1; Labels: 6.1-Poisonous materials.

Purification Methods

Crystallise the diamine from EtOH or *benzene, and sublime it in vacuo; protect it from light. The acetate has m 304o. [Beilstein 13 IV 104.]

비 호환성

Dust may form explosive mixture with air. A strong reducing agent. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides, acid chlorides; acid anhydrides; chloroformates, and strong bases. Incompatible with organic anhydrides; isocyanates, aldehydes. Heat and light contribute to instability. Keep away from metals.

폐기물 처리

Controlled incineration whereby oxides of nitrogen are removed from the effluent gas by scrubber, catalytic or thermal device.

1,4-벤젠다이아민 준비 용품 및 원자재

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1,4-벤젠다이아민 공급 업체

공급자	전화	이메일	국가	제품 수	이점
Hebei Guanlang Biotechnology Co., Ltd.	+86-19930503282	alice@crovellbio.com	China	8829	58
Baoji Guokang Healthchem co.,ltd	+8615604608665 15604608665	dominicguo@gk-bio.com	CHINA	9427	58
Shandong Zhishang New Material Co., Ltd.	+8617653113209	sales002@sdzschem.com	China	3050	58
Hefei TNJ Chemical Industry Co.,Ltd.	0551-65418684 +8618949823763	sales@tnjchem.com	China	25363	58
Qingdao Scienoc Chemical CO Ltd	+86-0532-68076095 +8618661673503	info@scienoc.com	China	113	58
Hebei Dangtong Import and export Co LTD	+8615632927689	admin@hbdangtong.com	China	984	58
Henan Fengda Chemical Co., Ltd	+86-371-86557731 +86-13613820652	info@fdachem.com	China	18222	58
Capot Chemical Co.,Ltd.	571-85586718 +8613336195806	sales@capotchem.com	China	29797	60
Shanghai Daken Advanced Materials Co.,Ltd	+86-371-66670886	info@dakenam.com	China	15956	58
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21689	55

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