thiosulfate(2-) 111.929 112.13020 A divalent inorganic anion obtained by removal of both protons from thiosulfuric acid. CAS:14383-50-7 CHEBI:15242 CHEBI:16094 CHEBI:45922 CHEBI:9569 DHCDFWKWKRSZHF-UHFFFAOYSA-L Gmelin:2031 Hyposulfite InChI=1S/H2O3S2/c1-5(2,3)4/h(H2,1,2,3,4)/p-2 O3S2 PDBeChem:THJ S2O3 S2O3(2-) TETRATHIONATE Thiosulfate [O-]S([S-])(=O)=O [SO3S](2-) chebi_ontology sulfurothioate thiosulfate thiosulfate ion(2-) thiosulphate trioxido-1kappa(3)O-disulfate(S--S)(2-) trioxidosulfidosulfate(2-) sulfur oxoanion sulfur oxide divalent inorganic anion