1.0 2010-04-08 22:10:40 UTC 2025-11-18 23:44:03 UTC FDB013373 Calcium hydroxide phosphate Table salt additive to ensure free-running qualities Hydroxylapatite, also called hydroxyapatite (HA), is a naturally occurring mineral form of calcium apatite. Hydroxylapatite can be found in teeth and bones within the human body. Up to fifty percent of bone is made up of a modified form of the inorganic mineral hydroxylapatite (known as bone mineral). Apatite, hydroxy Calcium hydroxide phosphate Calcium hydroxyapatite Calcium hydroxylapatite Calcium phosphate hydroxide Calcium tribasic phosphate Durapatite Hydroxyapatite Hydroxylapatite Pentacalcium hydroxide triphosphate Pentacalcium monohydroxyorthophosphate Ca5HO13P3 502.311 501.675955429 pentacalcium hydroxide triphosphate pentacalcium hydroxide triphosphate 12167-74-7 [OH-].[Ca++].[Ca++].[Ca++].[Ca++].[Ca++].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O InChI=1S/5Ca.3H3O4P.H2O/c;;;;;3*1-5(2,3)4;/h;;;;;3*(H3,1,2,3,4);1H2/q5*+2;;;;/p-10 XYJRXVWERLGGKC-UHFFFAOYSA-D belongs to the class of inorganic compounds known as alkaline earth 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 alkaline earth metal. Alkaline earth metal phosphates Inorganic compounds Mixed metal/non-metal compounds Alkaline earth metal oxoanionic compounds Alkaline earth metal phosphates Inorganic calcium salts Inorganic hydrides Inorganic oxides Alkaline earth metal phosphate Inorganic calcium salt Inorganic hydride Inorganic oxide Inorganic salt logp -1 ChemAxon pka_strongest_acidic 1.8 ChemAxon iupac pentacalcium hydroxide triphosphate ChemAxon average_mass 502.311 ChemAxon mono_mass 501.675955429 ChemAxon smiles [OH-].[Ca++].[Ca++].[Ca++].[Ca++].[Ca++].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O ChemAxon formula Ca5HO13P3 ChemAxon inchi InChI=1S/5Ca.3H3O4P.H2O/c;;;;;3*1-5(2,3)4;/h;;;;;3*(H3,1,2,3,4);1H2/q5*+2;;;;/p-10 ChemAxon inchikey XYJRXVWERLGGKC-UHFFFAOYSA-D ChemAxon polar_surface_area 86.25 ChemAxon refractivity 11.29 ChemAxon polarizability 4.93 ChemAxon rotatable_bond_count 0 ChemAxon acceptor_count 4 ChemAxon donor_count 0 ChemAxon physiological_charge -2 ChemAxon formal_charge 0 ChemAxon