1.0 2010-04-08 22:10:40 UTC 2025-11-18 23:43:51 UTC FDB013358 Dipotassium phosphate It is used in foods as a sequestrant, a pH control agent, and a nutrient in fermentation processes Dipotassium phosphate (K2HPO4) - also phosphoric acid, dipotassium salt; dipotassium hydrogen orthophosphate; potassium phosphate, dibasic - is a highly water-soluble salt which is often used as a fertilizer, food additive and buffering agent. It is a common source of phosphorus and potassium. Dibasic potassium phosphate Dipotassium hydrogen phosphate Dipotassium hydrogenorthophosphate Dipotassium hydrogenphosphate Dipotassium monohydrogen phosphate Dipotassium monohydrogenphosphate Dipotassium monophosphate Dipotassium orthophosphate Dipotassium-o-phosphate DKP Hydrogen dipotassium phosphate Isolyte Mediject p Mediject p (TN) Phosphoric acid, dipotassium salt Phosphoric acid, potassium salt (1:2) Potassium dibasic phosphate Potassium monohydrogen phosphate Potassium monophosphate Potassium phosphate (dibasic) Potassium phosphate (K2HPO4) Potassium phosphate dibasic Potassium phosphate dibasic, JAN, USAN Potassium phosphate, dibasic Potassium phosphate, dibasic (jan/usp) Potassium phosphate, dibasic [usan:jan] Sec.-potassium phosphate HK2O4P 174.1759 173.888658754 dipotassium hydrogen phosphate dipotassium hydrogen phosphate 7758-11-4 [K+].[K+].OP([O-])([O-])=O InChI=1S/2K.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2 ZPWVASYFFYYZEW-UHFFFAOYSA-L belongs to the class of inorganic compounds known as alkali metal phosphates. These are inorganic compounds in which the largest oxoanion is phosphate, and in which the heaviest atom not in an oxoanion is an alkali metal. Alkali metal phosphates Inorganic compounds Mixed metal/non-metal compounds Alkali metal oxoanionic compounds Alkali metal phosphates Inorganic oxides Inorganic salts Alkali metal phosphate Inorganic oxide Inorganic salt organic molecular entity melting_point >465 °C decomp. logp -1 ChemAxon pka_strongest_acidic 1.8 ChemAxon iupac dipotassium hydrogen phosphate ChemAxon average_mass 174.1759 ChemAxon mono_mass 173.888658754 ChemAxon smiles [K+].[K+].OP([O-])([O-])=O ChemAxon formula HK2O4P ChemAxon inchi InChI=1S/2K.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2 ChemAxon inchikey ZPWVASYFFYYZEW-UHFFFAOYSA-L ChemAxon polar_surface_area 83.42 ChemAxon refractivity 12.41 ChemAxon polarizability 5.23 ChemAxon rotatable_bond_count 0 ChemAxon acceptor_count 4 ChemAxon donor_count 1 ChemAxon physiological_charge -2 ChemAxon formal_charge 0 ChemAxon Specdb::CMs 7400 Specdb::MsMs 1273669 Specdb::MsMs 1273670 Specdb::MsMs 1273671 Specdb::MsMs 1388650 Specdb::MsMs 1388651 Specdb::MsMs 1388652