1,1,1,2,2-Pentafluoroethane 1,1,2,2,2-Pentafluoroethane 354-33-6 CCRIS 7630 EINECS 206-557-8 Ethane, pentafluoro- F 125 FC 125 Fron 125 HCFC 125 HFC-125 HSDB 6755 Hfc 125 Khladon 125 PENTAFLUOROETHANE Pentafluoroethane or Refrigerant gas R 125 [UN3220] [Nonflammable gas] R 125 UN3220