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Ammonium bromide (NH4Br)-Powder

Ammonium bromide (NH4Br)-Powder

CAS: 12124-97-9
Molecular Formula: NH4Br
Purity: 99.999%
Products Code: TR07013500UN
Specification Model: - 100-325 mesh
EINECS No.: 235-183-8
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Ammonium bromide (NH4Br)-Powder introduce:


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).

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


Ammonium bromide is used in pharmaceuticals for its bromide ion. It is used for a variety of analytical chemistry applications. It is also used for photography in films, plates and papers; in fireproofing of wood; in lithography and process engraving and as corrosion inhibitors.
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