1.0 2010-04-08 22:13:00 UTC 2025-11-19 01:53:10 UTC FDB017287 Potassium fumarate Dietary supplement Potassium fumarate is a compound with formula K2C4H2O4. It is the potassium salt of fumaric acid. Potassium fumarate C4H2K2O4 192.2529 191.922722274 dipotassium (2E)-but-2-enedioate dipotassium fumarate 7704-72-5 [K+].[K+].[O-]C(=O)\C=C\C([O-])=O InChI=1S/C4H4O4.2K/c5-3(6)1-2-4(7)8;;/h1-2H,(H,5,6)(H,7,8);;/q;2*+1/p-2/b2-1+;; SHPKCSFVQGSAJU-SEPHDYHBSA-L belongs to the class of organic compounds known as dicarboxylic acids and derivatives. These are organic compounds containing exactly two carboxylic acid groups. Dicarboxylic acids and derivatives Organic compounds Organic acids and derivatives Carboxylic acids and derivatives Dicarboxylic acids and derivatives Aliphatic acyclic compounds Carbonyl compounds Carboxylic acid salts Carboxylic acids Hydrocarbon derivatives Organic oxides Organic potassium salts Unsaturated fatty acids Aliphatic acyclic compound Carbonyl group Carboxylic acid Carboxylic acid salt Dicarboxylic acid or derivatives Fatty acid Fatty acyl Hydrocarbon derivative Organic alkali metal salt Organic oxide Organic oxygen compound Organic potassium salt Organic salt Organooxygen compound Unsaturated fatty acid logp 0.27 ALOGPS logs -0.52 ALOGPS solubility 5.75e+01 g/l ALOGPS logp -0.041 ChemAxon pka_strongest_acidic 3.55 ChemAxon iupac dipotassium (2E)-but-2-enedioate ChemAxon average_mass 192.2529 ChemAxon mono_mass 191.922722274 ChemAxon smiles [K+].[K+].[O-]C(=O)\C=C\C([O-])=O ChemAxon formula C4H2K2O4 ChemAxon inchi InChI=1S/C4H4O4.2K/c5-3(6)1-2-4(7)8;;/h1-2H,(H,5,6)(H,7,8);;/q;2*+1/p-2/b2-1+;; ChemAxon inchikey SHPKCSFVQGSAJU-SEPHDYHBSA-L ChemAxon polar_surface_area 80.26 ChemAxon refractivity 46.28 ChemAxon polarizability 8.65 ChemAxon rotatable_bond_count 2 ChemAxon acceptor_count 4 ChemAxon donor_count 0 ChemAxon physiological_charge -2 ChemAxon formal_charge 0 ChemAxon Specdb::MsMs 1325860 Specdb::MsMs 1325861 Specdb::MsMs 1325862 Specdb::MsMs 1440211 Specdb::MsMs 1440212 Specdb::MsMs 1440213