12217-37-7 2-Naphthalenesulfonic acid, 6-amino-5-((4-chloro-2-(trifluoromethyl)phenyl)azo)-4-hydroxy-, monosodium salt 57741-47-6 6-Amino-5-((4-chloro-2-(trifluoromethyl)phenyl)azo)-4-hydroxy-2-naphthalenesulfonic acid, monosodium salt 6-Amino-5-((4-chloro-2-(trifluoromethyl)phenyl)azo)-4-hydroxy-2-naphthalenesulfonic acid, sodium salt ACID RED 266 EINECS 260-925-2 Sodium 6-amino-5-((4-chloro-2-(trifluoromethyl)phenyl)azo)-4-hydroxynaphthalene-2-sulphonate