10130-48-0 2,7-Naphthalenedisulfonic acid, 3-((4-(acetylamino)phenyl)azo)-4-hydroxy-5-(((4-methylphenyl)sulfonyl)amino)-, disodium salt C.I. Acid violet 5, disodium salt Disodium 3-((4-(acetylamino)phenyl)azo)-4-hydroxy-5-(((p-tolyl)sulphonyl)amino)naphthalene-2,7-disulphonate EINECS 233-366-7