1.0 2010-04-08 22:11:49 UTC 2025-11-19 00:54:49 UTC FDB015406 Potassium sulfate (K2SO4) Flavouring agent and enhancer Arcanum duplicatum Dipotassium sulfate E515 Glazier's salt Kalium sulphuricum Kaliumsulfat Potassium sulfate (2:1) Potassium sulfate (JP15) Potassium sulfate (K2(SO4)) Potassium sulfate [jan] Potassium sulfate, α Potassium sulfate, acs Potassium sulphate Sal polychrestum Sulfuric acid dipotassium salt Sulfuric acid potassium salt Sulfuric acid potassium salt (1:2) Sulfuric acid, dipotassium salt Sulfuric acid, dipotassium salt, 8CI Sulfuric acid, potassium salt Sulfuric-acid-dipotassium-salt- Sulphuric acid, potassium salt Tartarus vitriolatus Trona potassium sulphate Trona sulphate of potash K2O4S 174.259 173.8791429 dipotassium sulfate dipotassium sulfate 7778-80-5 [K+].[K+].[O-]S([O-])(=O)=O InChI=1S/2K.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2 OTYBMLCTZGSZBG-UHFFFAOYSA-L belongs to the class of inorganic compounds known as alkali metal sulfates. These are inorganic compounds in which the largest oxoanion is sulfate, and in which the heaviest atom not in an oxoanion is an alkali metal. Alkali metal sulfates Inorganic compounds Mixed metal/non-metal compounds Alkali metal oxoanionic compounds Alkali metal sulfates Inorganic oxides Inorganic salts Alkali metal sulfate Inorganic oxide Inorganic salt potassium salt melting_point Mp 1069° logp -0.84 ChemAxon pka_strongest_acidic -3 ChemAxon iupac dipotassium sulfate ChemAxon average_mass 174.259 ChemAxon mono_mass 173.8791429 ChemAxon smiles [K+].[K+].[O-]S([O-])(=O)=O ChemAxon formula K2O4S ChemAxon inchi InChI=1S/2K.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2 ChemAxon inchikey OTYBMLCTZGSZBG-UHFFFAOYSA-L ChemAxon polar_surface_area 80.26 ChemAxon refractivity 11.53 ChemAxon polarizability 5.81 ChemAxon rotatable_bond_count 0 ChemAxon acceptor_count 4 ChemAxon donor_count 0 ChemAxon physiological_charge -2 ChemAxon formal_charge 0 ChemAxon Specdb::MsMs 1258606 Specdb::MsMs 1258607 Specdb::MsMs 1258608 32036