Title: Ammonium Bromide
CAS Registry Number: 12124-97-9
Molecular Formula: BrH4N
Molecular Weight: 97.94
Percent Composition: Br 81.58%, H 4.12%, N 14.30%
Line Formula: NH4Br
Literature References: Contains 99-99.5% NH4Br. Prepn and properties: Gmelins, Ammonium (8th ed.) 23, 203-218 (1936); Richards, "Ammonium Bromide" in Mellor's Vol. VIII, supplement I, Nitrogen (part 1) 433-447 (1964).
Properties: White, odorless, slightly hygroscopic crystals or granules; pungent, saline taste; slowly becomes yellowish in air; sublimes at high temp without melting. d25 2.429. Freely sol in water, methanol, ethanol, acetone; slightly sol in ether. Practically insol in ethyl acetate. Keep well closed.
Density: d25 2.429
NOTE: Incompat. Acids, acid salts, spirit nitrous ether, alkaloids; salts of lead, mercury, silver.
Use: Manuf of photographic films, plates, and papers; in process engraving and lithography; fireproofing of wood; in corrosion inhibitors.
Keywords: Sedative/Hypnotic; Bromides.