Customization: | Available |
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CAS No.: | 12124-97-9 |
Formula: | Nh4br |
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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).
Properties | |
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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 |
Parameter | Specifications | Test Result |
Appearance | White Crystallization |
White Crystallization |
Main Content | ≥99.00% |
99.23% |
PH-5%Solution(25oC)) | 4.5-6.0 | 5.32 |
Chloride(Cl-) | ≤0.5% | 0.21% |
Sulphate(SO42-) | ≤0.01% | ≤0.01% |
Water | ≤0.5% | 0.26% |
As | ≤0.0004% | 0.0003 |
Pb | ≤0.0005% | 0.0003 |
Test Result | QUALIFIED |