1,1,1,2,3,3-Hexafluoro-2,3-dichloropropane 1,2-Dichlorohexafluoropropane 1,2-Dichloroperfluoropropane 661-97-2 Freon 216 NSC76603 Propane, 1,2-dichloro-1,1,2,3,3,3-hexafluoro- Propane, 1,2-dichlorohexafluoro- Ucon 216