Product name |
Ammonium sulfate |
Specification |
Pharmaceutical grade (USP,BP,EP,CP) |
Molecular formula |
(NH4)2SO4 |
CAS |
7783-20-2 |
H.S. CODE |
3102210000 |
Molecular weight |
132.14 |
Appearance |
Colorless crystal powder |
Package |
25KG Woven bags or fiber drums |
Property:
Colorless crystalline or translucence powder. The relative density 1.769. Hot to 100 ℃ began to decompose into ammonia and acid hydrogen amines. Soluble in water, insoluble in ethanol and acetone.
Application:
Analytics reagents. As the support point electrochemical analysis and solution quality. Also used in the microbiological media, ammonium salt preparation.
Test standard:
Test items |
Specification |
||
BP2015 |
USP35 |
CP2015 |
|
Appearance |
Colorless crystal powder |
Colorless crystal powder |
Colorless crystal powder |
Assay |
99.0~100.5% |
99.0~100.5% |
99.0~100.5% |
pH |
5.0~6.0 |
5.0~6.0 |
5.0~6.0 |
Residue on ignition |
≤0.005% |
≤0.005% |
≤0.005% |
Insoluble matters |
≤0.005% |
≤0.005% |
≤0.005% |
Phosphate |
≤0.0005% |
≤0.0005% |
≤0.0005% |
Chloride |
≤0.0005% |
≤0.0005% |
≤0.0005% |
Nitrate |
≤0.001% |
≤0.001% |
≤0.001% |
Iron |
≤0.0005% |
≤0.0005% |
≤0.0005% |
Microbiological test |
|
Conform |
|
Storage:
Store in a cool, dry and well ventilated place. Keep away from incompatible substances. Keep container closed.