1.0 2010-04-08 22:10:41 UTC 2025-11-18 23:44:18 UTC FDB013399 Sulfur dioxide Food preservative. Sanitising agent for food containers and fermentation equipmentand is) also used in foods as stabiliser, moisture control agent, flavour modifier and texturiser [SO2] Anhydride, sulfurous Dioxide, sulfur Dioxidosulfur E220 FEMA 3039 Fermenicide liquid Fermenicide powder Oxosulfane oxide R-764 Schwefel(IV)-oxid Schwefeldioxid Siarki dwutlenek SO2 Sulfur dioxide Sulfur dioxide (NF) Sulfur dioxide (SO2) Sulfur dioxide (SO2) 10% by volume or more SO2 Sulfur dioxide [UN1079] [Poison gas] Sulfur oxide Sulfur oxide (SO2) Sulfur superoxide Sulfur-dioxide Sulfurous acid anhydride Sulfurous anhydride Sulfurous oxide Sulphur dioxide Sulphurous anhydride Sulphurous oxide Surfur dioxide (anhydrous) O2S 64.064 63.961899934 (oxo-λ⁴-sulfanylidene)oxidane sulfur dioxide 7446-09-5 O=S=O InChI=1S/O2S/c1-3-2 RAHZWNYVWXNFOC-UHFFFAOYSA-N belongs to the class of inorganic compounds known as other non-metal oxides. These are inorganic compounds containing an oxygen atom of an oxidation state of -2, in which the heaviest atom bonded to the oxygen belongs to the class of 'other non-metals'. Other non-metal oxides Inorganic compounds Homogeneous non-metal compounds Other non-metal organides Other non-metal oxides Inorganic oxides Inorganic oxide Other non-metal oxide a non-metabolic compound sulfur oxide melting_point Mp -75.48° logp 0.32 ChemAxon iupac (oxo-λ⁴-sulfanylidene)oxidane ChemAxon average_mass 64.064 ChemAxon mono_mass 63.961899934 ChemAxon smiles O=S=O ChemAxon formula O2S ChemAxon inchi InChI=1S/O2S/c1-3-2 ChemAxon inchikey RAHZWNYVWXNFOC-UHFFFAOYSA-N ChemAxon polar_surface_area 34.14 ChemAxon refractivity 8.64 ChemAxon polarizability 4.25 ChemAxon rotatable_bond_count 0 ChemAxon acceptor_count 2 ChemAxon donor_count 0 ChemAxon physiological_charge 0 ChemAxon formal_charge 0 ChemAxon Specdb::MsIr 6690 Specdb::MsIr 6691 Specdb::CMs 3391 Specdb::CMs 173260 Specdb::MsMs 27773 Specdb::MsMs 27774 Specdb::MsMs 27775 Specdb::MsMs 34331 Specdb::MsMs 34332 Specdb::MsMs 34333 Specdb::MsMs 2666350 Specdb::MsMs 2666351 Specdb::MsMs 2666352 HMDB34834 18422 SO2 #<Reference:0x000055ce326ba2f0> #<Reference:0x000055ce326b9d00> bitter