CASR |
: | 7558-79-4 |
Molecular Formula |
: | Na2HPO4 |
Molecular Weight |
: | 141.96 |
Specifications | |
---|---|
Appearance: | Colorless or white solid |
Aqueous solubility: | Soluble in 8 parts of water, more soluble in hot water |
Assay: | Min 99.0% |
pH(5% aq soln), at 25°C: | 8.7 - 9.3 |
Insoluble matter: | 0.01% Max. |
Loss on drying,105°C: | 0.2% Max. |
Chloride (Cl): | 0.002% Max. |
Sulphate (SO4): | 0.005% Max. |
Heavy metals (as Pb): | 0.001% Max. |
Iron (Fe): | 0.002% Max. |