2-Naphthalenesulfonic acid, 6-amino-, monosodium salt 2-Naphthylamine-6-sulfonic acid, sodium salt 58306-86-8 6-Amino-2-naphthalenesulfonic acid, monosodium salt 6-Amino-2-naphthalenesulfonic acid, sodium salt 93-00-5 EINECS 261-207-1 Sodium 6-aminonaphthalene-2-sulphonate