1.0 2010-04-08 22:14:38 UTC 2025-11-19 02:26:13 UTC FDB019868 Potassium benzoate Preservative for margarines and wines Potassium benzoate (E212), the potassium salt of benzoic acid, is a food preservative that inhibits the growth of mold, yeast and some bacteria. It works best in low-pH products, below 4.5, where it exists as benzoic acid. Benzoic acid potassium salt Benzoic acid, potassium salt Benzoic acid, potassium salt (1:1) E212 Potassium benzoate Potassium benzoate (NF) C7H5KO2 160.2117 159.992661265 potassium benzoate potassium benzoate 582-25-2 [K+].[O-]C(=O)C1=CC=CC=C1 InChI=1S/C7H6O2.K/c8-7(9)6-4-2-1-3-5-6;/h1-5H,(H,8,9);/q;+1/p-1 XAEFZNCEHLXOMS-UHFFFAOYSA-M belongs to the class of organic compounds known as benzoic acids. These are organic Compounds containing a benzene ring which bears at least one carboxyl group. Benzoic acids Organic compounds Benzenoids Benzene and substituted derivatives Benzoic acids and derivatives Aromatic homomonocyclic compounds Benzoyl derivatives Carboxylic acid salts Carboxylic acids Hydrocarbon derivatives Monocarboxylic acids and derivatives Organic oxides Organic potassium salts Organooxygen compounds Aromatic homomonocyclic compound Benzoic acid Benzoyl Carboxylic acid Carboxylic acid derivative Carboxylic acid salt Hydrocarbon derivative Monocarboxylic acid or derivatives Organic alkali metal salt Organic oxide Organic oxygen compound Organic potassium salt Organic salt Organooxygen compound logp 1.10 ALOGPS logs -1.17 ALOGPS solubility 1.08e+01 g/l ALOGPS logp 1.63 ChemAxon pka_strongest_acidic 4.08 ChemAxon iupac potassium benzoate ChemAxon average_mass 160.2117 ChemAxon mono_mass 159.992661265 ChemAxon smiles [K+].[O-]C(=O)C1=CC=CC=C1 ChemAxon formula C7H5KO2 ChemAxon inchi InChI=1S/C7H6O2.K/c8-7(9)6-4-2-1-3-5-6;/h1-5H,(H,8,9);/q;+1/p-1 ChemAxon inchikey XAEFZNCEHLXOMS-UHFFFAOYSA-M ChemAxon polar_surface_area 40.13 ChemAxon refractivity 44.15 ChemAxon polarizability 11.53 ChemAxon rotatable_bond_count 1 ChemAxon acceptor_count 2 ChemAxon donor_count 0 ChemAxon physiological_charge -1 ChemAxon formal_charge 0 ChemAxon Specdb::MsMs 1248313 Specdb::MsMs 1248314 Specdb::MsMs 1248315 Specdb::MsMs 1363630 Specdb::MsMs 1363631 Specdb::MsMs 1363632