1.0 2016-05-26 05:26:23 UTC 2026-04-06 14:51:32 UTC Hydrogen sulfite SmallMolecule Hydrogen sulfite is an inorganic compound with the chemical formula HO3S and an average molecular weight of 81.07 g/mol. Hydrogen sulfite belongs to the non-metal sulfites, a subclass of non-metal oxoanionic compounds within the inorganic compounds. It is further categorized as a homogeneous non-metal compound. The compound is associated with 42 recorded sources from which it is found in or released. Within the category of electrical and electronic equipment, these sources include amplifiers, antennas, auxiliary devices, communication cables or conductors, and colour television systems, among 17 others. In building and construction, it is found in ceilings, fencing, floors, roofs, and sunshades awnings or outside screens, as well as two additional sources. Regarding food, food processing and cookware, the compound is linked to the processing of fish, the preparation of malt, the preparation of wort, the preparation of wine or sparkling wine, and molasses and treatment of molasses, among two other sources. Additionally, it is identified in household cleaning and consumer products, specifically in soap dispensers, ash trays, non electric simulated smoking devices, other smoking requisites, pipe accessories, and one further source. bisulfite HO3S 81.071 80.964639588 sulfurous acid sulfurous acid 15181-46-1 OS([O-])=O InChI=1S/H2O3S/c1-4(2)3/h(H2,1,2,3)/p-1 LSNNMFCWUKXFEE-UHFFFAOYSA-M Inorganic compounds Homogeneous non-metal compounds Non-metal oxoanionic compounds Non-metal sulfites Non-metal sulfites Inorganic oxides Inorganic oxide Non-metal sulfite a small molecule sulfur oxoacid Detected and Not Quantified logp -1.2 ChemAxon pka_strongest_acidic 1.7 ChemAxon iupac sulfurous acid ChemAxon average_mass 81.071 ChemAxon mono_mass 80.964639588 ChemAxon smiles OS([O-])=O ChemAxon formula HO3S ChemAxon inchi InChI=1S/H2O3S/c1-4(2)3/h(H2,1,2,3)/p-1 ChemAxon inchikey LSNNMFCWUKXFEE-UHFFFAOYSA-M ChemAxon polar_surface_area 57.53 ChemAxon refractivity 12.33 ChemAxon polarizability 5.76 ChemAxon rotatable_bond_count 0 ChemAxon acceptor_count 3 ChemAxon donor_count 2 ChemAxon physiological_charge -1 ChemAxon formal_charge 0 ChemAxon #<HealthEffect::ActiveRecord_Associations_CollectionProxy:0x00007f3bf3725520> 104748