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Ammonium bromide information


Ammonium bromide
ball-and-stick model of an ammonium cation (left) and a bromide anion (right)
Names
IUPAC name
Ammonium bromide
Identifiers
CAS Number
  • 12124-97-9 checkY
3D model (JSmol)
  • Interactive image
ChEBI
  • CHEBI:85364 ☒N
ChemSpider
  • 23804 checkY
ECHA InfoCard 100.031.973 Edit this at Wikidata
EC Number
  • 235-183-8
PubChem CID
  • 25514
RTECS number
  • BO9155000liugoiugiu
UNII
  • R0JB3224WS checkY
CompTox Dashboard (EPA)
  • DTXSID8035681 Edit this at Wikidata
InChI
  • InChI=1S/BrH.H3N/h1H;1H3 checkY
    Key: SWLVFNYSXGMGBS-UHFFFAOYSA-N checkY
  • InChI=1/BrH.H3N/h1H;1H3
    Key: SWLVFNYSXGMGBS-UHFFFAOYAP
SMILES
  • [Br-].[NH4+]
Properties
Chemical formula
NH4Br
Molar mass 97.94 g/mol
Appearance white powder, hygroscopic
Density 2.429 g/cm3
Melting point 235 °C (455 °F; 508 K)
Boiling point 452 °C (846 °F; 725 K)
Solubility in water
60.6 g/100 mL (0 °C)
78.3 g/100 mL (25 °C)
145 g/100 mL (100 °C)
Magnetic susceptibility (χ)
−47.0×10−6 cm3/mol
Refractive index (nD)
1.712
Structure
Crystal structure
Isometric
Hazards
GHS labelling:
Pictograms
GHS07: Exclamation mark[1]
Signal word
Warning
Hazard statements
H315, H319, H335[1]
Precautionary statements
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
2
0
0
Related compounds
Other anions
Ammonium fluoride
Ammonium chloride
Ammonium iodide
Other cations
Sodium bromide
Potassium bromide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Ammonium bromide, NH4Br, is the ammonium salt of hydrobromic acid. The chemical crystallizes in colorless prisms, possessing a saline taste; it sublimes on heating and is easily soluble in water. On exposure to air it gradually assumes a yellow color because of the oxidation of traces of bromide (Br) to bromine (Br2).

  1. ^ a b Sigma-Aldrich Co., Ammonium bromide.

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