What is the formula for ammonium bromide

Ammonium bromide

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Ammonium bromide, NH4Br, forms hygroscopic cubic crystals that are readily soluble in acetone, ethanol and water. It has a sublimation point of 452 ° C, a density of 2.43 g · cm−3 and a molecular weight Mr of 97.942.


Ammonium bromide can be produced by the action of bromine or hydrogen bromide[2] done on ammonia:

$ \ mathrm {3 \ Br_2 + 8 \ NH_3 \ longrightarrow 6 \ NH_4Br + N_2} $


Ammonium bromide is used in the phototechnical industry and in medicine as a sedative.

Individual evidence

  1. 1,01,11,21,31,41,51,61,7Entry to Ammonium bromide in the GESTIS substance database of the IFA, accessed on August 15, 2007 (JavaScript required).
  2. 2,02,1Helmut Sitzmann, in: Roempp Online - Version 3.5, 2009, Georg Thieme Verlag, Stuttgart.
  3. ↑ Since December 1, 2012, only GHS hazardous substance labeling has been permitted for substances. Until June 1, 2015, the R-phrases of this substance may still be used to classify preparations, after which the EU hazardous substance labeling is of purely historical interest.