Synonyms: Iron,dichloro[1,2-ethanediylbis[diphenylphosphine-kP]]-, (T-4)- (9CI); Iron, dichloro[1,2-ethanediylbis[diphenylphosphine]-P,P']-,(T-4)-; Phosphine, 1,2-ethanediylbis[diphenyl-, iron complex;(1,2-Bis(diphenylphosphino)ethane)dichloroiron;Bis[bis(diisopropylphosphino)ethane]dichloroiron;Dichloro[1,2-bis(diphenylphosphino)ethane]iron;Dichloro[1,2-ethanediylbis[diphenylphosphine]]iron;Dichloro[ethylenebis[diphenylphosphine]]iron