1.0 2010-04-08 22:10:40 UTC 2025-11-18 23:43:45 UTC FDB013350 Hexasodium metaphosphate (P6O186(-)) Emulsifier, texturiser, dietary supplement, sequestrant, binding agent, pig/poultry scald agent, potential food contaminant arising from paper/board packaging Sodium hexametaphosphate (SHMP) is used as a sequestrant and has applications with in a wide variety of industries, including as a food additive in which it is used under the E number E452i. Sodium hexametaphosphate of commerce is typically a mixture of polymeric metaphosphates, of which the hexamer is one, and is usually the compound referred to by this name. It is more correctly termed sodium polymetaphosphate. Calgon Graham's salt? Hexametaphosphate, sodium salt Hexasodium hexametaphosphate Hexasodium metaphosphate Metaphosphoric acid (H6P6O18), hexasodium salt Metaphosphoric acid (H6P6O18), sodium salt (1:6) Metaphosphoric acid, hexasodium salt SHMP Sodium hexametaphosphate Sodium phosphate (Na6P6O18) Na6O18P6 611.7704 611.689650318 hexasodium hexaoxocyclohexaphosphoxane-2,4,6,8,10,12-hexakis(olate) hexasodium hexaoxocyclohexaphosphoxane-2,4,6,8,10,12-hexakis(olate) 10124-56-8 [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[O-]P1(=O)OP([O-])(=O)OP([O-])(=O)OP([O-])(=O)OP([O-])(=O)OP([O-])(=O)O1 InChI=1S/6Na.H6O18P6/c;;;;;;1-19(2)13-20(3,4)15-22(7,8)17-24(11,12)18-23(9,10)16-21(5,6)14-19/h;;;;;;(H,1,2)(H,3,4)(H,5,6)(H,7,8)(H,9,10)(H,11,12)/q6*+1;/p-6 GCLGEJMYGQKIIW-UHFFFAOYSA-H 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 sodium salts Alkali metal phosphate Inorganic oxide Inorganic salt Inorganic sodium salt logp -2.5 ChemAxon pka_strongest_acidic 0.097 ChemAxon iupac hexasodium hexaoxocyclohexaphosphoxane-2,4,6,8,10,12-hexakis(olate) ChemAxon average_mass 611.7704 ChemAxon mono_mass 611.689650318 ChemAxon smiles [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[O-]P1(=O)OP([O-])(=O)OP([O-])(=O)OP([O-])(=O)OP([O-])(=O)OP([O-])(=O)O1 ChemAxon formula Na6O18P6 ChemAxon inchi InChI=1S/6Na.H6O18P6/c;;;;;;1-19(2)13-20(3,4)15-22(7,8)17-24(11,12)18-23(9,10)16-21(5,6)14-19/h;;;;;;(H,1,2)(H,3,4)(H,5,6)(H,7,8)(H,9,10)(H,11,12)/q6*+1;/p-6 ChemAxon inchikey GCLGEJMYGQKIIW-UHFFFAOYSA-H ChemAxon polar_surface_area 296.16 ChemAxon refractivity 58.51 ChemAxon polarizability 24.49 ChemAxon rotatable_bond_count 0 ChemAxon acceptor_count 12 ChemAxon donor_count 0 ChemAxon physiological_charge -6 ChemAxon formal_charge 0 ChemAxon Specdb::MsMs 1330498 Specdb::MsMs 1330499 Specdb::MsMs 1330500