|
Product name |
Disodium hydrogen phosphate,docecahydrate |
|
Specification |
Pharmaceutical grade (USP,BP,EP,CP) |
|
Molecular formula |
Na2HPO4·12H2O |
|
CAS |
10039-32-4 |
|
H.S. CODE |
2835220000 |
|
Molecular weight |
358.14 |
|
Appearance |
White crystal |
|
Package |
25KG Woven bags or fiber drums |
Colorless cubic crystalline or white powder. 1.62 g/cm3 density. ℃ 73.3 melting point. 76.7 ℃ decomposition. Heated to 100 ℃ lost 12 gesso and become waterless objects. In dry air and easily. Are soluble in water. The solution is a strong alkali. Insoluble in carbon disulfide and ethanol.
Application:
Can be used for soft agent and detergent, boiler &dirt-proof agent, printing and dyeing of fixing agent, the fabric mercerizing enhancer, metal corrosion resistance, agents and metal rust, enamel in the production of the flux and decoloring agents, leather fatliquoring agents and the ShengPi to come unglued agent. Food-grade twelve water sodium for food processing of emulsifier, quality improver, nutritional supplements, and increase in food bottles (tank) detergent.
Test standard：
|
Test items |
Specification |
||
|
BP2015 |
USP35 |
CP2015 |
|
|
Appearance |
White crystal |
White crystal |
White crystal |
|
Assay |
98.5~102.5% |
98.0~100.5% |
≥98.0% |
|
pH |
|
|
9.0~9.4 |
|
Appearance of solution |
Conform |
|
Conform |
|
Loss on dry |
|
55.0~64.0% |
55.0~64.0% |
|
Insoluble matters |
|
≤0.4% |
≤0.05% |
|
Reducing substances |
Conform |
|
Conform |
|
≤2.5% |
|
≤2.5% |
|
|
Water |
57.0~61.0% |
|
|
|
Chloride |
≤0.02% |
≤0.06% |
≤0.001% |
|
Sulfate |
≤0.05% |
≤0.2% |
≤0.01% |
|
Carbonate |
|
|
Conform |
|
Arsenic |
≤0.0002% |
≤0.0016% |
≤0.0002% |
|
Iron |
≤0.002% |
|
≤0.002% |
|
Heavy metals |
≤0.001% |
≤0.002% |
≤0.001% |
Storage：
Store in a cool, dry and well ventilated place. Keep away from incompatible substances. Keep container closed.
