1,4-Bis(trifluoromethyl)benzene 433-19-2 Benzene, 1,4-bis(trifluoromethyl)- EINECS 207-086-0 Hexafluoro-p-xylene NSC 61992 p-Bis(trifluoromethyl)benzene p-Xylene, alpha,alpha,alpha,alpha',alpha',alpha'-hexafluoro- (8CI)