2-Naphthalenesulfonic acid, 5-((4-(acetylamino)-2-(trifluoromethyl)phenyl)azo)-6-amino-4-hydroxy-, monosodium salt 5-((4-(Acetylamino)-2-(trifluoromethyl)phenyl)azo)-6-amino-4-hydroxy-2-naphthalenesulfonic acid, sodium salt 75198-93-5 EINECS 278-103-7 Sodium 5-((4-acetamido-2-(trifluoromethyl)phenyl)azo)-6-amino-4-hydroxynaphthalene-2-sulphonate