Synonyms: a,a'-Bi-p-toluidine (7CI,8CI);1,2-Bis(4-aminophenyl)ethane;1,2-Bis(p-aminophenyl)ethane;1,2-Di(4-aminophenyl)ethane;4,4'-Diamino-1,2-diphenylethane;4,4'-Diaminobibenzyl;4,4'-Diaminodibenzyl;4,4'-Diaminodiphenylethane;4,4'-Dibenzyldiamine;4,4'-Ethylenebisaniline;4,4'-Ethylenedianiline;NSC44062;NSC 580;NSC 60033;p,p'-Diaminobibenzyl;p,p'-Diaminodibenzyl;