18886-16-3 2-Naphthalenesulfonic acid, 7-((4,6-dichloro-1,3,5-triazin-2-yl)amino)-4-hydroxy-3-((2-sulfophenyl)azo)-, disodium salt Disodium 7-((4,6-dichloro-1,3,5-triazin-2-yl)amino)-4-hydroxy-3-((2-sulphonatophenyl)azo)naphthalene-2-sulphonate EINECS 242-647-3