Customization: | Available |
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CAS No.: | 12124-97-9 |
Formula: | Nh4br |
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Cas NO | 12124-97-9 |
Formula |
NH4Br |
Weight | 97.94 |
Performance |
colorless crystal or white crystal powder; relative gravity: 2.429; soluble in water, alcohol, |
item | pharmaceutical grade | phrography grade | reagent grade | industrial grade |
content% ≥ | 99.0 | 99.0 | 98.0 | 98.0 |
aqueous solution reaction | qualified passed | qualified passed | qualified passed | |
water insoluble% ≤ | 0.01 | 0.01 | 0.01 | |
ignition residue% ≤ | 0.1 | 0.1 | 0.1 | |
chloride(Cl)% ≤ | 0.2 | 0.5 | 0.5 | 1.0 |
sulfate(SO4) ≤ | 0.01 | 0.01 | 0.01 | |
Ferrum(Fe)% ≤ | 0.002 | 0.0002 | 0.0005 | 0.005 |
copper(Cu)% ≤ | 0.0001 | |||
iodide(I)% ≤ | qualified passed | 0.01 | 0.05 | |
heavy metal(Pb)% ≤ | 0.0002 | 0.0001 | 0.0005 | |
loss on drying% ≤ | 0.5 | 0.5 | 0.5 | 1.0 |
reference standard | 1995-CHINA Pharmacopeia | ZBG85002-88 | GB1277-77 | GB1277-77 |
Uses | sedative, photographic paper |
Packing | compound bag, fiber can30cm×37cm, inner double layer plastic bag, 25kg |
Storage | in cool and dry place; be away from acid products |
Vanessa Zhao