R22: 1.pure refrigerant gas, 2.purity:99.8%, 3.first service. ... 40.8Critical Temperature, °C96.2Critical Pressure, Mpa4.99Specific Heat of Liquid, 30°C, [KJ/(kg°C)]0.31Ozone Depletion Potential( ... ODP)0.034Global Warming Potential(GWP)1700Density(kg/m3), Sat. Liquid @ 30 °C 1177Safety data:It has the chatacteristics of ... Recyclable cylinder 400L, 800L, 926L, 1000L; ISO-Tank. refrigerant R22 (pure gas)