Synonyms: Toluene, a,a,a,2,4-pentachloro- (6CI,7CI,8CI); 1,3-Dichloro-4-(trichloromethyl)benzene;2,4,a,a,a-Pentachlorotoluene; 2,4-Dichloro-1-(trichloromethyl)benzene;2,4-Dichlorobenzotrichloride; 2,4-Dichlorophenyltrichloromethane; NSC 403840; a,a,a,2,4-Pentachlorotoluene