... 1)Chemical and Physical properties: Stable in normal condition, HFC-125 is odorless, colorless, electrically non-conductive, non- ... corrosive, and leaves no residuePreparation:HFC-125 (pentafluoroethane) is made by process of gas-phase ... ppm maxAcidity as (HF)1 ppm max.Evaporation residues0.01%maxVisible foreign substanceno Standard Packaging790kg, 870kgs net/steel ...