218599-63-4 300408-51-9 76-19-7 DMP 115 Definity EINECS 200-941-9 FC 218 FC 218 (refrigerant) FS069 Freon 218 Genetron 218 HFC 218 MRX-115 OCTAFLUOROPROPANE Octafluoropropaneor Refrigerant gas R 218 [UN2424] [Nonflammable gas] Optison PFC 218 Perfluoropropane Perflutren Perflutren [USAN] Propane, octafluoro- R 218 UN 2424 UN2424