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Ammonium bromide

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Ammonium bromide Basic information
Ammonium bromide Chemical Properties
  • Melting point:452 °C(lit.)
  • Boiling point:235 °C
  • Density 2.43 g/mL at 25 °C(lit.)
  • vapor pressure 1 mm Hg ( 198.3 °C)
  • storage temp. Store at RT.
  • solubility H2O: 1 M at 20 °C, clear, colorless
  • pka-1.03±0.70(Predicted)
  • form Powder/Solid
  • color White
  • Specific Gravity2.429
  • OdorOdorless
  • PH5.0-6.0 (25℃, 50mg/mL in H2O)
  • PH Range4.5 - 6.0
  • Water Solubility 97 g/100 mL (25 ºC)
  • Sensitive Hygroscopic
  • Merck 14,505
  • Stability:Stable. Incompatible with acids, bromine trifluoride, bromine trichloride, most common metals.
  • CAS DataBase Reference12124-97-9(CAS DataBase Reference)
  • NIST Chemistry ReferenceAmmonium bromide(12124-97-9)
  • EPA Substance Registry SystemAmmonium bromide (12124-97-9)
Safety Information
MSDS
Ammonium bromide Usage And Synthesis
  • Chemical Propertieswhite crystals
  • Physical propertiesColorless 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.
  • UsesA chemical used for its bromide ion
  • Usesmanufacture of photographic films, plates, and papers; in process engraving and lithography; fireproofing of wood; in corrosion inhibitors.
  • UsesColorless 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.
  • DefinitionChEBI: An ammonium salt composed of ammonium and bromide ions in a 1:1 ratio.
  • General DescriptionWhite odorless crystals or granules that become yellow upon exposure to air. Sinks and mixes in water.
  • Air & Water ReactionsWater soluble
  • Reactivity ProfileBromine trifluoride reacts explosively with the following Ammonium bromide, ammonium chloride, ammonium iodide [Mellor 2 Supp. 1:165 1956].
  • Health HazardINHALATION: 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.
  • Fire HazardSpecial Hazards of Combustion Products: Material decomposes into N 2 and HBr or Br 2 under extreme temperatures.
  • Purification MethodsIt crystallises from 95% EtOH and is slightly hygroscopic.
Ammonium bromide Preparation Products And Raw materials
Ammonium bromide(12124-97-9)Related Product Information
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