Ammonium phenolsulfonate, Ammonium sulfocarbolate, Hydroxybenzenesulfonic acid,monoammonium salt, Ammonium hydroxybenzenesulphonate, azanium 2-hydroxybenzenesulfonate, EINECS 263-293-6, Benzenesulfonic acid,hydroxy-,monoammonium salt, Benzenesulfonic acid,hydroxy-,ammonium salt (1:1)