1-Naphthalenesulfonic acid, 8-((4-methylphenyl)amino)-, ammonium 1-Naphthalenesulfonic acid, 8-((4-methylphenyl)amino)-, monoammonium salt 79873-33-9 Ammonium 8-(p-tolylamino)naphthalene-1-sulphonate EINECS 279-329-9