methylnaphthalenesulphonic acid is a chemical compound registered under CAS number 41638-59-9, with the molecular formula C11H10O3S and a molecular weight of about 222.26 g/mol. Its EINECS (EC) number is 255-472-2. It is also known as Methyl naphthalene sulfonic acid; Naphthalenesulfonic acid, methyl-. ReagentForLab supplies methylnaphthalenesulphonic acid for laboratory research and bulk production; product code 1092529. Send an inquiry for purity, packaging, price and lead time.