1.0 2010-04-08 22:10:28 UTC 2025-11-18 23:40:31 UTC FDB012995 Sodium dithionite (Na2S2O4) Bleaching agent which may occur adventitiously in food, occurrence not well documented Blankit Burmol Disodium dithionate Disodium dithionite Disodium hydrosulfite Dithionous acid, disodium salt, 8CI Dithionous acid, sodium salt (1:2) Sodium dithionate Sodium dithionite (Na2(S2O4)) Sodium hydrosulfite (Na2S2O4) Sodium hypodisulfite Sodium hyposulfite Vatrolite Na2O4S2 174.107 173.903339218 disodium sulfinatosulfinate disodium dithionite 7775-14-6 [Na+].[Na+].[O-]S(=O)S([O-])=O InChI=1S/2Na.H2O4S2/c;;1-5(2)6(3)4/h;;(H,1,2)(H,3,4)/q2*+1;/p-2 JVBXVOWTABLYPX-UHFFFAOYSA-L belongs to the class of inorganic compounds known as alkali metal dithionites. These are inorganic compounds in which the largest oxoanion is dithionite, and in which the heaviest atom not in an oxoanion is an alkali metal. Alkali metal dithionites Inorganic compounds Mixed metal/non-metal compounds Alkali metal oxoanionic compounds Alkali metal dithionites Inorganic oxides Inorganic sodium salts Alkali metal dithionite Inorganic oxide Inorganic salt Inorganic sodium salt inorganic sodium salt solid melting_point Mp 300° logp -1.5 ChemAxon pka_strongest_acidic -3.5 ChemAxon iupac disodium sulfinatosulfinate ChemAxon average_mass 174.107 ChemAxon mono_mass 173.903339218 ChemAxon smiles [Na+].[Na+].[O-]S(=O)S([O-])=O ChemAxon formula Na2O4S2 ChemAxon inchi InChI=1S/2Na.H2O4S2/c;;1-5(2)6(3)4/h;;(H,1,2)(H,3,4)/q2*+1;/p-2 ChemAxon inchikey JVBXVOWTABLYPX-UHFFFAOYSA-L ChemAxon polar_surface_area 80.26 ChemAxon refractivity 17.28 ChemAxon polarizability 8.41 ChemAxon rotatable_bond_count 1 ChemAxon acceptor_count 4 ChemAxon donor_count 0 ChemAxon physiological_charge -2 ChemAxon formal_charge 0 ChemAxon Specdb::MsMs 1221388 Specdb::MsMs 1221389 Specdb::MsMs 1221390