Synonyms: | Direct Blue 74;C. I. Direct Blue 74;2-Naphthalenesulfonic acid, 5(or 8)-(2-(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl)-8(or 5)-(2-(6(or 7)-sulfo-4-(2-(3-sulfophenyl)diazenyl)-1-naphthalenyl)diazenyl)-, sodium salt (1:4);2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-((6(or 7)-sulfo-4-((6(or 7)-sulfo-4-((3-sulfophenyl)azo)-1-naphthalenyl)azo)-1-naphthalenyl)azo)-, tetrasodium salt;Tetrasodium 7-amino-4-hydroxy-3-((6(or 7)-sulphonato-4-((6(or 7)-sulphonato-4-((3-sulphonatophenyl)azo)naphthyl)azo)naphthyl)azo)naphthalene-2-sulphonate |