CAS;135-53-5 MF:C10H7NaO5S MW:262.21 EINECS:205-198-4 Synonyma:2-Naphthalenesulfonicacid,6,7-dihydroxy-,monosodiumsalt; 6,7-dihydroxy-2-naphthalenesulfonicacimonosodiumsalt; SODIUM SAL. ACIDUM MONOSODIUM SAL. 2,3-DIHYDROXYNAPHTHALENA-6-SULFONICA ACIDUM SODIUM SALSUUM; DIHYDROXY-R-SAL; DIOXY R SAL; DS ACID, MONOSODIUM SAL. Sodium 2,3-dihydroxynaphthalene-6-sulfonate; SODIUM 6,7-DIHYDROXY-II-NAPHTHALENE SULFONATE; SODIUM 6,7-DIHYDROXYNAPHTHALENE-2-SULFONATUM; sodium 6,7-dihydroxynaphthalene-2-sulphonatum