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Ammonium bromide CAS 12124-97-9

Ammonium bromide (NH₄Br) is an inorganic compound with the following key information: ‌
Basic information ‌Chemical formula ‌: NH₄Br ‌Physical form ‌: Colorless or white crystalline powder, soluble in water, alcohol, slightly soluble in ether ‌
‌Melting point ‌: 452℃ (sublimation temperature 235℃) ‌
‌Density ‌: 2.43 g/cm³ (25℃) ‌
Chemical properties ‌Stability ‌: Hygroscopic, decomposes in contact with acid, strong alkali or certain metals ‌
‌Reaction characteristics ‌: ‌Reacts with acid to generate corresponding acid and salt (such as reacting with phosphoric acid to generate ammonium hydrogen phosphate bromide) ‌
Decomposes with alkali by heating to ammonia, water and corresponding metal bromide salt (such as reacting with potassium hydroxide) ‌
‌Industrial fields ‌: ‌Photosensitive materials (film emulsions, developers) ‌
Wood preservation and fireproofing ‌
Chemical analysis (such as copper titration analysis) ‌
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  • 12124-97-9

Ammonium bromide Basic information
Product Name: Ammonium bromide
CAS: 12124-97-9
MF: BrH4N
MW: 97.94
EINECS: 235-183-8
Mol File: 12124-97-9.mol
Ammonium bromide Chemical Properties
Melting point 452 °C (lit.)
Boiling point 396 °C/1 atm (lit.)
bulk density 1100kg/m3
density 2.43 g/mL at 25 °C (lit.)
vapor pressure 1 mm Hg ( 198.3 °C)
storage temp. Inert atmosphere,Room Temperature
solubility H2O: 1 M at 20 °C, clear, colorless
pka -1.03±0.70(Predicted)
form Powder/Solid
Specific Gravity 2.429
color White
Odor Odorless
PH 5.0-6.0 (25℃, 50mg/mL in H2O)
PH Range 4.5 - 6.0
Water Solubility 97 g/100 mL (25 ºC)
Sensitive Hygroscopic
Merck 14,505
Dielectric constant 7.2(0.0℃)
Stability: Stable. Incompatible with acids, bromine trifluoride, bromine trichloride, most common metals.
LogP -1 at 25℃
CAS DataBase Reference 12124-97-9(CAS DataBase Reference)
NIST Chemistry Reference Ammonium bromide(12124-97-9)
EPA Substance Registry System Ammonium bromide (12124-97-9)

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