Description
Disodium phosphate (DSP), or sodium hydrogen phosphate, is the inorganic compound with the formula Na2HPO4. It is salt in anhydrous form, water-soluble white powder. It is used in conjunction with trisodium phosphate in foods and water softening treatment.
- Formula
- Na2HPO4
- Molar mass
- 141.957 g/mol
- CAS Number
- 7558-79-4
- Density
- 1.520 g/cm3
- Purity/Grade
- ≥99% (ACS Reagent)
- Vapour density
- 4.90 – (Air=1.0)
- Water solubility
- Soluble
- pH
- pH 8.9 – 9.2 at 50 g/l at 25°C (77°F)
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