2-Naphthalenesulfonic acid, 3-((4-(acetylamino)phenyl)azo)-4-hydroxy-7-((((5-hydroxy-6-(phenylazo)-7-sulfo-2-naphthalenyl)amino)carbonyl)amino)-, sodium salt 3-((4-(Acetylamino)phenyl)azo)-4-hydroxy-7-((((5-hydroxy-6-(phenylazo)-7-sulpho-2-naphthyl)amino)carbonyl)amino)naphthalene-2-sulphonic acid, sodium salt 83232-29-5 EINECS 280-261-7