83221-52-7

Einecs 280-230-8 7-Acetylamino-4-hydroxy-1-[4-(4-sulfophenylazo)-2-sulfophenylazo]-2-naphthalenesulfonic acid/sodium,(1:x) salt 7-(Acetylamino)-4-hydroxy-1-((2-sulpho-4-((4-sulphophenyl)azo)phenyl)azo)naphthalene-2-sulphonic acid, sodium salt 7-(acetylamino)-4-hydroxy-1-[[2-sulpho-4-[(4-sulphophenyl)azo]phenyl]azo]naphthalene-2-sulphonic acid, sodium salt 2-Naphthalenesulfonicacid,7-(acetylamino)-4-hydroxy-1-[2-[2-sulfo-4-[2-(4-sulfophenyl)diazenyl]phenyl]diazenyl]-,sodium salt (1:?)