Аммония бромид химические свойства, назначение, производство
Описание
Ammonium bromide is soluble in water and alcohol and is not particularly hazardous under normal conditions.
Химические свойства
white crystals
Физические свойства
Colorless rhombic crystal; odor of ammonia; sublimes at 60°C; very soluble in cold water; decomposes in hot water; slightly soluble in alcohol; insoluble in acetone.
Использование
Colorless crystals made by hydrobromic acid acting upon
ammonium hydroxide followed by crystallization. Soluble in
ether, alcohol, and water, ammonium bromide was used as
a halide in collodion formulas and as a restrainer in alkaline
developers.
Определение
ChEBI: An ammonium salt composed of ammonium and bromide ions in a 1:1 ratio.
Общее описание
White odorless crystals or granules that become yellow upon exposure to air. Sinks and mixes in water.
Реакции воздуха и воды
Water soluble
Профиль реактивности
Bromine trifluoride reacts explosively with the following Ammonium bromide, ammonium chloride, ammonium iodide [Mellor 2 Supp. 1:165 1956].
Угроза здоровью
INHALATION: Dust irritating - disturbed behavior, sedation. EYES: Slight irritation. SKIN: Slight irritation only with repeated or prolonged contact. INGESTION: Weakness, nervousness, anorexia, confusion, hallucinations, drowsiness, irritability, ataxia, vertigo, skin rash.
Пожароопасность
Special Hazards of Combustion Products: Material decomposes into N 2 and HBr or Br 2 under extreme temperatures.
Методы очистки
It crystallises from 95% EtOH and is slightly hygroscopic.
Аммония бромид препаратная продукция и сырье
сырьё
препарат