Product name |
Dipotassium hydrogen phosphate |
Specification |
Pharmaceutical grade (USP,BP,EP,CP) |
Molecular formula |
K2HPO4 |
CAS |
7758-11-4 |
H.S. CODE |
2835220000 |
Molecular weight |
204.22 |
Appearance |
White powder |
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 |
White powder |
White powder |
White powder |
Assay |
98.0~101.0% |
98.0~100.5% |
≥99.0% |
pH |
8.5~9.6 |
8.5~9.6 |
8.5~9.6 |
Loss on dry |
≤2.0% |
≤1.0% |
≤2.0% |
Monopotassium phosphate |
≤2.5% |
|
≤2.5% |
Insoluble matters |
|
≤0.2% |
≤0.02% |
Carbonate |
|
Conform |
Conform |
Sulfate |
≤0.1% |
≤0.0003% |
≤0.017% |
Phosphate |
|
|
Conform |
Reducing substances |
|
|
Conform |
Fluoride |
|
≤0.001% |
|
Chloride |
≤0.02% |
≤0.03% |
≤0.004% |
Arsenic |
≤0.0002% |
≤0.0003% |
≤0.0002% |
Iron |
≤0.001% |
≤0.003% |
≤0.001% |
Sodium |
≤0.1% |
Conform |
≤0.1% |
Heavy metals |
≤0.001% |
≤0.001% |
≤0.001% |
Bacterial endotoxin |
Conform |
|
|
Storage:
Store in a cool, dry and well ventilated place. Keep away from incompatible substances. Keep container closed.