CAS: 7772-98-7 Molecular Formula: Na2O3S2 Molecular Weight (g/mol): 158.10 MDL Number: MFCD00003499 InChI Key: AKHNMLFCWUSKQB-UHFFFAOYSA-L Synonym: sodium thiosulfate,sodium thiosulphate,disodium thiosulfate,sodium thiosulfate anhydrous,hypo,sodiumthiosulfate,chlorine cure,chlorine control,declor-it,thiosulfuric acid, disodium salt PubChem CID: 24477 SMILES: [Na+].[Na+].[O-]S([S-])(=O)=O