CAS: 63148-74-3 Molecular Formula: C2H10Na2O9S2 Molecular Weight (g/mol): 288.193 InChI Key: ZOOZASWIMKXRIF-UHFFFAOYSA-N Synonym: Hydroxymethanesulfonic Acid Sodium Salt, Sodium Hydroxymethanesulfonate PubChem CID: 131882352 IUPAC Name: hydroxymethanesulfonic acid;sodium;hydrate SMILES: C(O)S(=O)(=O)O.C(O)S(=O)(=O)O.O.[Na].[Na]