1,1-(2,2,2-Trichloroethylidene)bis(2-chlorobenzene)

1,1,1-Trichloro-2,2-bis(o-chlorophenyl)ethane is a byproduct in the synthesis of 2,4''-Dichlorodiphenyltrichloroethane (D434205). 2,4''-Dichlorodiphenyltrichloroethane is a chlorinated organic pesticide having estrogenic activity.