Article · Wikipedia archive · Last revised Jun 11, 2026

Potassium phosphate

Potassium phosphate is a generic term for the salts of potassium and phosphate ions including:Monopotassium phosphate (KH2PO4) (Molar mass approx: 136 g/mol) Dipotassium phosphate (K2HPO4) (Molar mass approx: 174 g/mol) Tripotassium phosphate (K3PO4) (Molar mass approx: 212.27 g/mol)

Last revised
Jun 11, 2026
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Monopotassium phosphate source ↗
Dipotassium phosphate source ↗
Tripotassium phosphate source ↗

Potassium phosphate is a generic term for the salts of potassium and phosphate ions including:1

As food additives, potassium phosphates have the E number E340.

References

References

  1. Klaus Schrödter; Gerhard Bettermann; Thomas Staffel; Friedrich Wahl; Thomas Klein; Thomas Hofmann (2012). "Phosphoric Acid and Phosphates". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a19_465.pub3. ISBN 978-3-527-30673-2.