2-Naphthalenesulfonic acid, 8-((4-(acetylamino)phenyl)azo)-5-((4-amino-6-sulfo-1-naphthalenyl)azo)-, disodium salt 67906-51-8 8-((4-(Acetylamino)phenyl)azo)-5-((4-amino-6-sulfo-1-naphthalenyl)azo)-2-naphthalenesulfonic acid, disodium salt Disodium 8-((4-acetamidophenyl)azo)-5-((4-amino-6-sulphonatonaphthyl)azo)naphthalene-2-sulphonate EINECS 267-719-1