molecular formula: K2HPO4-3H2O
CAS: 7758-11-4
Appearance:
White crystal
Properties:
White crystalline or amorphous powder. Soluble in water, a micro alkaline solution. Soluble in alcohol. It has hygroscopic property. After burn into coke phosphate.
Use:
Used in pharmaceutical, fermentation, germiculture and manufacturing focal potassium phosphate, etc.
Details:
|
Test item |
Specification |
|
Reagent grade |
Pharmaceutical grade |
|
Appearance |
Conform |
Conform |
|
Assay [K2HPO4]/% |
≥99.0 |
≥97.0 |
|
Clarify degrees test |
Conform |
Conform |
|
Water in soluble/% |
≤0.01 |
≤0.03 |
|
Chloride (Cl)/% |
≤0.002 |
≤0.005 |
|
Sulfate (SO4)/% |
≤0.01 |
≤0.03 |
|
Nitrate (NO3)/% |
≤0.001 |
≤0.003 |
|
Sodium (Na)/% |
≤0.05 |
≤0.10 |
|
Magnesium (Mg)/% |
≤0.001 |
≤0.001 |
|
Ferric (Fe)/% |
≤0.001 |
≤0.003 |
|
Arsenic (As) /% |
≤0.0001 |
≤0.0003 |
|
Heavy metal (Pb)/% |
≤0.001 |
≤0.003 |
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