7-Amino-naphthalin-1-sulfonsaeure,Natrium-Verbindung, 1-Naphthalenesulfonicacid,7-amino-,monosodium salt (8CI,9CI), EINECS 248-734-2, 1-Naphthalenesulfonicacid,7-amino-,sodium salt (1:1), 7-amino-naphthalene-1-sulfonic acid,sodium-compound, Sodium 7-aminonaphthalene-1-sulphonate, 2-Naphthylamine-8-sodium sulfonate, SODIUM 7-AMINONAPHTHALENE-1-SULFONATE