|
Product name |
Dipotassium hydrogen phosphate,trihydrate |
|
Specification |
Pharmaceutical grade (USP,BP,EP,CP) |
|
Molecular formula |
K2HPO4·3H2O |
|
CAS |
16788-57-1 |
|
H.S. CODE |
2835240000 |
|
Molecular weight |
228.22 |
|
Appearance |
Colorless crystal |
|
Package |
25KG Woven bags or fiber drums |
Property：
White crystalline or amorphous powder. Soluble in water, a micro alkaline solution. Soluble in alcohol. It has hygroscopic property. After burn into coke phosphate.
Application:
Used in pharmaceutical, fermentation, germiculture and manufacturing focal potassium phosphate, etc.
Test standard：
|
Test items |
Specification |
||
|
BP2015 |
USP35 |
CP2015 |
|
|
Appearance |
Colorless crystal |
Colorless crystal |
Colorless crystal |
|
Assay |
≥99.0% |
≥99.0% |
≥99.0% |
|
pH |
8.9~9.4 |
8.9~9.4 |
8.9~9.4 |
|
Appearance and color of solution |
Conform |
Conform |
Conform |
|
Chloride |
≤0.002% |
≤0.002% |
≤0.002% |
|
Sulfate |
≤0.01% |
≤0.01% |
≤0.01% |
|
Nitrate |
≤0.003% |
≤0.003% |
|
|
Carbonate |
|
|
Conform |
|
Phosphate |
≤0.02% |
≤0.02% |
Conform |
|
Water insoluble water |
≤0.03% |
≤0.03% |
≤0.01% |
|
Reducing substances |
Conform |
Conform |
Conform |
|
Loss on dry |
22.0~26.0% |
22.0~26.0% |
22.0~26.0% |
|
Iron |
≤0.001% |
≤0.001% |
≤0.001% |
|
Sodium |
≤0.10% |
≤0.10% |
≤0.1% |
|
Arsenic |
≤0.0001% |
≤0.0001% |
≤0.0001% |
|
Heavy metals |
≤0.001% |
≤0.001% |
≤0.001% |
Storage：
Store in a cool, dry and well ventilated place. Keep away from incompatible substances. Keep container closed.
