Product Name: R-290 (high-purity Propane) Product Name: R-290 (high-purity Propane) Properties: Molecular Formula44.9B.P., oC-42.2Critical Temp., oC96.67Critical Pressure, Mpa4.25Saturated liquid density, 25 oC, (g/cm3)0.58Specific heat of liquid, 25 oC, [KJ/(kg oC)]1.64ODP0GWP0.01Packing: In recyclable steel cylinder 926L or tank car.Use: It is used as refrigerant to substitute R22. Item Quality ...