1.0 2010-04-08 22:08:58 UTC 2025-11-18 23:18:38 UTC FDB010126 Potassium hypophosphate It is used as a food additive . K4O6P2 314.335 313.77183768 tetrapotassium phosphonatophosphonate tetrapotassium phosphonatophosphonate 99690-64-9 [K+].[K+].[K+].[K+].[O-]P([O-])(=O)P([O-])([O-])=O InChI=1S/4K.H4O6P2/c;;;;1-7(2,3)8(4,5)6/h;;;;(H2,1,2,3)(H2,4,5,6)/q4*+1;/p-4 RILFGEIJJMTZLZ-UHFFFAOYSA-J belongs to the class of inorganic compounds known as alkali metal phosphonates. These are inorganic compounds in which the largest oxoanion is phosphonate, and in which the heaviest atom not in an oxoanion is an alkali metal. Alkali metal phosphonates Inorganic compounds Mixed metal/non-metal compounds Alkali metal oxoanionic compounds Alkali metal phosphonates Inorganic oxides Inorganic salts Alkali metal phosphonate Inorganic oxide Inorganic salt logp -1.6 ChemAxon pka_strongest_acidic 1.38 ChemAxon iupac tetrapotassium phosphonatophosphonate ChemAxon average_mass 314.335 ChemAxon mono_mass 313.77183768 ChemAxon smiles [K+].[K+].[K+].[K+].[O-]P([O-])(=O)P([O-])([O-])=O ChemAxon formula K4O6P2 ChemAxon inchi InChI=1S/4K.H4O6P2/c;;;;1-7(2,3)8(4,5)6/h;;;;(H2,1,2,3)(H2,4,5,6)/q4*+1;/p-4 ChemAxon inchikey RILFGEIJJMTZLZ-UHFFFAOYSA-J ChemAxon polar_surface_area 126.38 ChemAxon refractivity 19.69 ChemAxon polarizability 8.26 ChemAxon rotatable_bond_count 1 ChemAxon acceptor_count 6 ChemAxon donor_count 0 ChemAxon physiological_charge -2 ChemAxon formal_charge 0 ChemAxon Specdb::MsMs 1270180 Specdb::MsMs 1270181 Specdb::MsMs 1270182