... PentafluoroéthaneCAS No.: 354-33-6 EC No: 206-557-8 RTECS No.: KI6365000Molecular Weight: 120.022Molecular Formula: C2HF5b.p. ... component of azeotropic blend refrigerant such as R-404a, R-407a, R-407b, R-407c, R-407d, R-410a and R410b (for more information, ... -502, Halon-1211 and Halon-1301Specification ParametersSpecificationHFC-125 purity99.8% minmoisture10 ppm maxAcidity as (HF)1 ppm max.Evaporation ...