1.0 2010-04-08 22:10:40 UTC 2018-05-29 01:04:37 UTC FDB013354 Potassium metaphosphate It is used as a food additive Metaphosphoric acid (HPO3), potassium salt Metaphosphoric acid (HPO3), potassium salt (1:1) Potassium metaphosphate (NF) Potassium polymetaphosphate K4O12P4 472.281 471.688848956 tetrapotassium trioxo-1,3,5,2λ⁵,4λ⁵,6λ⁵-trioxatriphosphinane-2,4,6-tris(olate) oxophosphinate tetrapotassium trimetaphosphate trioxidophosphate(1-) 7790-53-6 [K+].[K+].[K+].[K+].[O-]P(=O)=O.[O-]P1(=O)OP([O-])(=O)OP([O-])(=O)O1 InChI=1S/4K.H3O9P3.HO3P/c;;;;1-10(2)7-11(3,4)9-12(5,6)8-10;1-4(2)3/h;;;;(H,1,2)(H,3,4)(H,5,6);(H,1,2,3)/q4*+1;;/p-4 KVTDAUFEDONUBB-UHFFFAOYSA-J 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 melting_point Mp 803-813° logp -1.3 ChemAxon pka_strongest_acidic 0.4 ChemAxon iupac tetrapotassium trioxo-1,3,5,2λ⁵,4λ⁵,6λ⁵-trioxatriphosphinane-2,4,6-tris(olate) oxophosphinate ChemAxon average_mass 472.281 ChemAxon mono_mass 471.688848956 ChemAxon smiles [K+].[K+].[K+].[K+].[O-]P(=O)=O.[O-]P1(=O)OP([O-])(=O)OP([O-])(=O)O1 ChemAxon formula K4O12P4 ChemAxon inchi InChI=1S/4K.H3O9P3.HO3P/c;;;;1-10(2)7-11(3,4)9-12(5,6)8-10;1-4(2)3/h;;;;(H,1,2)(H,3,4)(H,5,6);(H,1,2,3)/q4*+1;;/p-4 ChemAxon inchikey KVTDAUFEDONUBB-UHFFFAOYSA-J 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 odorless