4-аминофенил эфир химические свойства, назначение, производство
Химические свойства
Colorless crystalline
Использование
4,4＇-Oxydianiline has been used to produce polyimide resins.
Методы производства
4-Aminophenyl ether was produced in relatively large volume
(on the order of 100,000–1,000,000 lb) in the 1970s but
has since declined significantly. The compound is used
primarily in the production of polyimide and polyesterimide
resins. These resins are used in the manufacture of temperature-
resistant products such as wire enamels, coatings, film,
insulating varnishes, and flame-retardant fibers.
Общее описание
Odorless colorless crystals or an odorless fine, beige powder.
Реакции воздуха и воды
Insoluble in water.
Профиль реактивности
4,4'-Oxydianiline oxidizes readily in air to form unstable peroxides that may explode spontaneously [Bretherick, 1979 p.151-154, 164]. A mixture of liquid air and diethyl ether exploded spontaneously [MCA Case History 616(1960)].
Угроза здоровью
4-Aminophenyl ether is highly toxic to animals. There is suffi cient evidence as a carcinogenicity and has caused adenomas and carcinomas in the thyroid and liver of experimental rats.
Пожароопасность
4,4'-Oxydianiline is combustible.
Профиль безопасности
Confirmed carcinogen with experimental carcinogenic, neoplastigenic, and tumorigenic data. Poison by intraperitoneal route. Moderately toxic by ingestion. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx
Возможный контакт
Intermediate in the manufacture of
high-temperature-resistant, straight polyimide and poly
(esterimide) resins capable of withstanding temperatures of
Up to 480°C for short periods or 260°C for prolonged periods
of time. Some p-phenylenediamine compounds have
been used as rubber components, and DFG warns of danger
of skin sensitization.
Канцерогенность
4,4′-Oxydianiline is reasonably anticipated to be a human carcinogenbased on sufficient evidence of carcinogenicity from studies in experimental animals.
Перевозки
UN2811 Toxic solids, organic, n.o.s., Hazard
Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name
Required. UN3077 Environmentally hazardous substances,
solid, n.o.s., Hazard class: 9; Labels: 9-Miscellaneous hazardous
material, Technical Name Required.
Несовместимости
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, and epoxides. Slowly hydrolyzes in
water, releasing ammonia, and forming acetate salts.
Decomposes at 265C releasing toxic oxides of nitrogen,
sulfur, and carbon. Decomposed by strong ultraviolet light.
Утилизация отходов
Incineration with provision
for nitrogen oxides removal from flue gases.
4-аминофенил эфир препаратная продукция и сырье
сырьё
препарат