1,1,2-Trifluoro-1,2-dichloroethane 1,2-Dichloro-1,1,2-trifluoroethane 354-23-4 4-01-00-00136 (Beilstein Handbook Reference) BRN 1698496 CFC 123a EINECS 206-549-4 Ethane, 1,2-dichloro-1,1,2-trifluoro- F 123a HCFC 123a HCFC-123A HSDB 6871 R 123a