Synonyms: Acetophenone,2,2,2,4'-tetrafluoro- (7CI,8CI);2,2,2,4'-Tetrafluoroacetophenone;2,2,2-Trifluoro-1-(4-fluorophenyl)ethanone;4-Fluorophenyl trifluoromethylketone;NSC 158171;Trifluoromethyl p-fluorophenyl ketone;p,a,a,a-Tetrafluoroacetophenone;p-Fluoro-a,a,a-trifluoroacetophenone;p-Fluorophenyl trifluoromethyl ketone;