Synonyms: N,N'-bis(1-methylethyl)benzene-1,4-diamine;Antioxidant 23;N,N'-Bis(1-methylethyl)-1,4-benzenediamine;N,N'-Diisopropyl-1,4-benzenediamine;N,N'-Diisopropyl-1,4-phenylenediamine;1-N,4-N-di(propan-2-yl)benzene-1,4-diamine;isopropyl-[4-(isopropylamino)phenyl]amine;N1,N4-di(propan-2-yl)benzene-1,4-diamine