CAS:135-53-5 ib MF:C10H7NaO5S MW:262.21 Nws EINECS:205-198-4 ib Synonyms:2-Naphthalenesulfonicacid, 6,7-dihydroxy-,monosodiumsalt; 6,7-dihydroxy-2-naphthalenesulfonicacimonosodiumsalt; 6,7-DIHYDROXY-2-NAPHTHALENESULFONIC ACID SODIUM ntsev; 2,3-DIHYDROXYNAPHTHALENE-6-SULFONIC ACID MONOSODIUM ntsev; 2,3-DIHYDROXYNAPHTHALENE-6-SULFONIC ACID SODIUM ntsev; DIHYDROXY-R-SALT; DIOXY R ntsev; DS ACID, MONOSODIUM ntsev; Sodium 2,3-dihydroxynaphthalene-6-sulfonate; SODIUM 6,7-DIHYDROXY-2-NAPHTHALEN SULFONATE; SODIUM 6,7-DIHYDROXYNAPHTHALEN-2-SULFONATE; Sodium 6,7-dihydroxynaphthalene-2-sulphonate