Synonyms: 1,1-oxybis[2-chloroethane]; 1,1'-Oxybis(2-Chloroethane); 1,5-Dichloro-3-oxapentane; 1-Chloro-2-(beta-chloroethoxy)ethane; 2,2'-dichloroethyl ether; beta,beta'-dichlorodiethyl ether; beta,beta'-dichloroethyl ether; BCEE; Bis(2-chloroethyl)ether; Bis(2-chloroethyl)ether? bis(beta-chloroethyl) ether; Dichloroether; Bis(chloroethyl)ether; Di(chloroethyl) oxide; chloroethyl ether; Chlorex; clorex; DCEE; Oxybis(2-chloroethane); sym-Dichloroethyl Ether; 2,2'-Dichlorodiethyl ether; Dimethylaminopropyldipropanolamine; 2,2'- dicholorethyl ether