Einecs 280-152-4

6-Amino-4-hydroxy-5-((2-(((phenylsulphonyl)amino)sulphonyl)phenyl)azo)naphthalene-2-sulphonic acid, sodium salt

6-amino-4-hydroxy-5-[[2-[[(phenylsulphonyl)amino]sulphonyl]phenyl]azo]naphthalene-2-sulphonic acid, sodium salt