Synonyms: p-Xylene, a,a,a,a',a',a'-hexachloro- (6CI,7CI,8CI); 1,4-Bis(trichloromethyl)benzene;1,4-di(Trichloromethyl)benzene; Bitriben; Chloksil; Chloxil; Chloxyl; Cloxil;Geksol; Hetol; Hexachloroparaxylol; Hexachloroxylene; Hexichol; Khloxil; NSC41883; p-Bis(perchloromethyl)benzene; p-Bis(trichloromethyl)benzene; a,a,a,a',a',a'-Hexachloro-p-xylene; w,w'-Hexachloro-p-xylene; w-Hexachloro-p-xylene