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)

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