Disodium phosphate

Disodium phosphate dihydrate is mainly used as a food additive and in personal and home care products. It is also used as a laboratory reagent and for water treatment.

Na2HPO4 · 2H2O


Chemical Formula

Na2HPO4 · 2H2O

EC Number


CAS Number


  • Home & Personal care
  • Food additive
  • Cleaning products
  • Anti-freeze products
  • Laboratory chemical


  • Assay: min. 98.0%
  • Sodium oxide: 34.1-35.8%
  • pH-value (1%): 9.0-9.6
  • Phosphorus pentoxide: 39.1-41.1%
  • Loss on drying (105°C): 18.0-21.0%
  • Water insoluble: 0.00-0.10%
  • Ph.Eur.

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