10482-42-5 2-Naphthalenesulfonic acid, 5-((7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)-8-((4-(phenylazo)-6-sulfo-1-naphthalenyl)azo)-, trisodium salt EINECS 233-981-0 Trisodium 5-((7-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo)-8-((4-(phenylazo)-6-sulphonatonaphthyl)azo)naphthalene-2-sulphonate