2-Naphthalenesulfonic acid, 6-amino-5-((5-(benzoylamino)-2-sulfophenyl)azo)-4-hydroxy-, disodium salt 2-Naphthalenesulfonic acid, 6-amino-5-((5-benzamido-2-sulfophenyl)azo)-4-hydroxy-, disodium salt 36525-74-3 Disodium 6-amino-5-((5-(benzoylamino)-2-sulphonatophenyl)azo)-4-hydroxynaphthalene-2-sulphonate EINECS 253-086-9