Dipotassium hydrogen phosphate (Sanshui)
- CAS number
- 16788-57-1
- Molecular weight
- Molecular formula / chemical symbol
- K2HPO4.3H2O
Description
White granules or powder. Slightly hygroscopic. The after burning pyrophosphate. Soluble in water, 100gproduct can be quickly dissolved in 67 ml of cold water. Slightly soluble in ethanol, was slightly alkaline aqueous solution of phenolphthalein.
Keywords: Phosphate
USES
Preparation buffer. Antifreeze liquid buffer. Antibiotic medium preparation. Pharmaceuticals. This product should be sealed in dry place.
Report
Quality standards HG 3-1288-79
|
Item |
Analytical grade |
Chemically pure |
|
Content of not less than |
99.0% |
97.0% |
|
Aqueous reaction |
Qualified |
Qualified |
|
Max impurities,%: |
|
|
|
Clarity Test |
Qualified |
Qualified |
|
Water insoluble matter |
0.01 |
0.03 |
|
Chloride (Cl) |
0.002 |
0.005 |
|
Sulfate (SO4) |
0.01 |
0.03 |
|
Magnesium (Mg) |
0.001 |
0.001 |
|
Iron (Fe) |
0.001 |
0.003 |
|
Heavy metals (as Pb) |
0.001 |
0.003 |
|
Arsenic (As) |
0.0001 |
0.0003 |
|
Sodium (Na) |
0.05 |
0.10 |
|
Nitrate (NO3) |
0.001 |
0.003 |