2-Naphthalenesulfonic acid, 5-((4-(acetylamino)-2-(trifluoromethyl)phenyl)azo)-6-amino-4-hydroxy- 5-((4-(Acetylamino)-2-(trifluoromethyl)phenyl)azo)-6-amino-4-hydroxy-2-naphthalenesulfonic acid 5-((4-Acetamido-2-(trifluoromethyl)phenyl)azo)-6-amino-4-hydroxynaphthalene-2-sulphonic acid 68594-62-7 EINECS 271-617-2