Sulfurous acid, monomethyl ester, sodium salt is a chemical compound registered under CAS number 23270-54-4, with the molecular formula CH4O3S·Na and a molecular weight of about 119.09 g/mol. SixChem supplies Sulfurous acid, monomethyl ester, sodium salt for laboratory research and bulk production; product code 414249. Send an inquiry for purity, packaging, price and lead time.