1.0 2010-04-08 22:11:05 UTC 2025-11-19 00:43:51 UTC FDB014101 Polymeric potassium metaphosphate It is used as a buffering agent in foods K3O9P3 354.2108 353.766636717 tripotassium trioxo-1,3,5,2λ⁵,4λ⁵,6λ⁵-trioxatriphosphinane-2,4,6-tris(olate) tripotassium trimetaphosphate 29057-10-1 [K+].[K+].[K+].[O-]P1(=O)OP([O-])(=O)OP([O-])(=O)O1 InChI=1S/3K.H3O9P3/c;;;1-10(2)7-11(3,4)9-12(5,6)8-10/h;;;(H,1,2)(H,3,4)(H,5,6)/q3*+1;/p-3 SUZJDLRVEPUNJG-UHFFFAOYSA-K 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 logp -1.3 ChemAxon pka_strongest_acidic 0.4 ChemAxon iupac tripotassium trioxo-1,3,5,2λ⁵,4λ⁵,6λ⁵-trioxatriphosphinane-2,4,6-tris(olate) ChemAxon average_mass 354.2108 ChemAxon mono_mass 353.766636717 ChemAxon smiles [K+].[K+].[K+].[O-]P1(=O)OP([O-])(=O)OP([O-])(=O)O1 ChemAxon formula K3O9P3 ChemAxon inchi InChI=1S/3K.H3O9P3/c;;;1-10(2)7-11(3,4)9-12(5,6)8-10/h;;;(H,1,2)(H,3,4)(H,5,6)/q3*+1;/p-3 ChemAxon inchikey SUZJDLRVEPUNJG-UHFFFAOYSA-K ChemAxon polar_surface_area 148.08 ChemAxon refractivity 29.25 ChemAxon polarizability 12.18 ChemAxon rotatable_bond_count 0 ChemAxon acceptor_count 6 ChemAxon donor_count 0 ChemAxon physiological_charge -3 ChemAxon formal_charge 0 ChemAxon Specdb::MsMs 1264177 Specdb::MsMs 1264178 Specdb::MsMs 1264179