Synonyms: Ethane, 1,1'-oxybis(1,1,2,2,2-pentafluoro- (9CI);4-02-00-00469 (Beilstein Handbook Reference);BRN 1785482;Bis(pentafluoroethyl) ether;Perfluorodiethyl ester;Perfluoroethyl ether;Ether, bis(pentafluoroethyl);1,1,1,2,2-pentafluoro-2-(pentafluoroethoxy)ethane