... internationally recognized as one of the main refrigerant working substances to substitute Refrigerant gas R134a ,1,1,1,2-Tetrafluoroethane ,used ... Physical Properties Quality Specification Molecular formulaCH2FCF3Purity, %≥99.9Boiling Point, °C-26.1Moisture, ppm≤10Critical Temperature,°C101.1Acidity, ppm≤0. ... No turbidGWP0.29OdorNo strange stenchLiquid Density,g/cm31.207 r134a refrigerant price