1.0 2010-04-08 22:10:37 UTC 2025-11-18 23:43:04 UTC FDB013276 Aluminium sulfate It is used in foods as a firming agent Aluminium sulfate, written as Al2(SO4)3 or Al2O12S3 Aluminium sulfate is an industrial chemical used as a flocculating agent in the purification of drinking water and waste water treatment plants, and also in paper manufacturing.; In construction industry it is used as waterproofing agent and accelerator in concrete. Another use is a foaming agent in fire fighting foam. Aluminum sulfate Aluminum sulfate (3:2) Aluminum sulphate Aluminum trisulfate Alunogenite Dialuminum sulfate Dialuminum trisulfate E520 Sulfuric acid aluminum(3+) salt (3:2) Sulfuric acid, aluminum potassium salt (2:1:1) Sulfuric acid, aluminum salt (3:2) Sulfuric acid, aluminum(3+) salt (3:2) Al2O12S3 342.151 341.818264416 dialuminium(3+) ion trisulfate dialuminium(3+) ion trisulfate 10043-01-3 [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O InChI=1S/2Al.3H2O4S/c;;3*1-5(2,3)4/h;;3*(H2,1,2,3,4)/q2*+3;;;/p-6 DIZPMCHEQGEION-UHFFFAOYSA-H belongs to the class of inorganic compounds known as post-transition metal sulfates. These are inorganic compounds in which the largest oxoanion is sulfate, and in which the heaviest atom not in an oxoanion is a post-transition metal. Post-transition metal sulfates Inorganic compounds Mixed metal/non-metal compounds Post-transition metal oxoanionic compounds Post-transition metal sulfates Inorganic oxides Inorganic salts Post-transition metal salts Inorganic oxide Inorganic post-transition metal salt Inorganic salt Post-transition metal sulfate aluminium sulfate melting_point 770 °C (decomp, anhydrous) 86.5 °C (octadecahydrate) logp -0.84 ChemAxon pka_strongest_acidic -3 ChemAxon iupac dialuminium(3+) ion trisulfate ChemAxon average_mass 342.151 ChemAxon mono_mass 341.818264416 ChemAxon smiles [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ChemAxon formula Al2O12S3 ChemAxon inchi InChI=1S/2Al.3H2O4S/c;;3*1-5(2,3)4/h;;3*(H2,1,2,3,4)/q2*+3;;;/p-6 ChemAxon inchikey DIZPMCHEQGEION-UHFFFAOYSA-H 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 100182 Specdb::MsMs 100183 Specdb::MsMs 100184 Specdb::MsMs 165447 Specdb::MsMs 165448 Specdb::MsMs 165449 HMDB34734 odorless