1-Naphthalenesulfonic acid,8-((4-methylphenyl)amino)-,monoammonium salt, 1-Naphthalenesulfonic acid,8-((4-methylphenyl)amino)-,ammonium, EINECS 279-329-9, Ammonium 8-(p-tolylamino)naphthalene-1-sulphonate, azanium 8-(4-methylanilino)naphthalene-1-sulfonate, 1-Naphthalenesulfonic acid,8-((4-methylphenyl)amino)-,ammonium salt (1:1)