CAS:135-53-5 MF:C10H7NaO5S MW:262.21 EINECS:205-198-4 Co-fhaclan:2-Naphthalenesulfonicacid, 6,7-dihydroxy-, monosodiumsalt; 6,7-dihydroxy-2-naphthalenesulfonicacimonosodiumsalt; 6,7-DIHYDROXY-2-NAPHTHALENESULFONIC ACID SODIUM SALT; 2,3-DIHYDROXYNAPHTHALENE-6-SULFONIC ACID MONOSODIUM SALT; 2,3-DIHYDROXYNAPHTHALENE-6-SULFONIC ACID SODIUM SALT; DIHYDROXY-R-SALT; DIOXY R SALT; DS ACID, MONOSODIUM SALT; Sòidiam 2,3-dihydroxynaphthalene-6-sulfonate; SODIUM 6,7-DIHYDROXY-2-NAPHTHALENE SULFONATE; SODIUM 6,7-DIHYDROXYNAPHTHALENE-2-SULFONATE; sodium 6,7-dihydroxynaphthalene-2-sulphonate