1.0 2010-04-08 22:10:40 UTC 2025-11-18 23:43:57 UTC FDB013364 Potassium phosphate (K(H2PO4)) Buffering agent; acidulant; leavening agent; nutrient source 7778-77-0 (potassium-H3PO4) KDP KPO4(aq) MKP Monobasic potassium phosphate Monopotassium dihydrogen phosphate Monopotassium monophosphate Monopotassium monophosphate(aq) Monopotassium orthophosphate Monopotassium phosphate Monopotassium phosphate, 9CI, 8CI Orthophosphoric acid, monopotassium salt Phosphate standard for ic Phosphoric acid, monopotassium salt Phosphoric acid, potassium salt Phosphoric acid, potassium salt (1:1) Potassium acid phosphate Potassium dideuterophosphate Potassium dihydrogen orthophosphate Potassium dihydrogen phosphate Potassium dihydrogenorthophosphate Potassium dihydrogenphosphate Potassium hydrogen phosphate (KH2PO4) Potassium orthophosphate Potassium orthophosphate, dihydrogen Potassium phosphate Potassium phosphate monobasic Potassium phosphate monobasic, acs Potassium phosphate monobasic, USAN Potassium phosphate, monobasic Potassium phosphate, monobasic (jan/NF) Potassium phosphate, monobasic(aq) Potassium phosphate(aq) Prim.-potassium phosphate Sorensen's potassium phosphate H2KO4P 136.0855 135.932776925 potassium dihydrogen phosphate potassium dihydrogen phosphate 7778-77-0 [K+].OP(O)([O-])=O InChI=1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1 GNSKLFRGEWLPPA-UHFFFAOYSA-M 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 inorganic phosphate potassium salt melting_point Mp 272° logp -1 ChemAxon pka_strongest_acidic 1.8 ChemAxon iupac potassium dihydrogen phosphate ChemAxon average_mass 136.0855 ChemAxon mono_mass 135.932776925 ChemAxon smiles [K+].OP(O)([O-])=O ChemAxon formula H2KO4P ChemAxon inchi InChI=1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1 ChemAxon inchikey GNSKLFRGEWLPPA-UHFFFAOYSA-M ChemAxon polar_surface_area 80.59 ChemAxon refractivity 13.53 ChemAxon polarizability 5.53 ChemAxon rotatable_bond_count 0 ChemAxon acceptor_count 4 ChemAxon donor_count 2 ChemAxon physiological_charge -2 ChemAxon formal_charge 0 ChemAxon Specdb::CMs 9097 Specdb::MsMs 1291546 Specdb::MsMs 1291547 Specdb::MsMs 1291548 Specdb::MsMs 1406245 Specdb::MsMs 1406246 Specdb::MsMs 1406247 odorless