|
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.
