refrigerant R409a A blend of R-22, R-142b, and R-124 intended for retrofitting R-12 refrigeration systems. refrigerant R409aDetailed Product Description mixed refrigerant R409A Property of chloride : Molecular Weight97.4Boiling Point, °C-34.5Critical Temperature, °C106.8Critical Pressure, Mpa4.69Saturated Liquid Density, 25°C, (g/cm3)1.216Specific Heat of Liquid, 30°C, [KJ/(kg°C)]0.29ODP0.039GWP0 ...