2-Naphthalenesulfonic acid, 5-((1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl)azo)-8-((7-sulfo-4-((3-sulfophenyl)azo)-1-naphthalenyl)azo)-, sodium salt 5-((1-Hydroxy-6-(phenylamino)-3-sulpho-2-naphthyl)azo)-8-((7-sulpho-4-((3-sulphophenyl)azo)-1-naphthyl)azo)naphthalene-2-sulphonic acid, sodium salt 72245-51-3 EINECS 276-526-1