Synonyms: Benzene,1,1'-(dichloroethenylidene)bis[4-chloro- (9CI); Ethylene,1,1-dichloro-2,2-bis(p-chlorophenyl)- (7CI,8CI);1,1-Bis(4-chlorophenyl)-2,2-dichloroethene;1,1-Bis(p-chlorophenyl)-2,2-dichloroethylene;1,1-Dichloro-2,2-bis(p-chlorophenyl)ethylene;1,1-Dichloro-2,2-di(p-chlorophenyl)ethylene;2,2-Bis(4-chlorophenyl)-1,1-dichloroethylene; 2,2-Dichloro-1,1-bis(4-chlorophenyl)ethylene;4,4'-DDE; 4,4'-Dichlorodiphenyldichloroethylene; DDE; NSC 1153; p,p'-DDE;p,p'-Dichlorodiphenyldichloroethylene