... and odorless gas, m.p. -160°C, b.p. -40.8°C, density 1.213×103kg/m3 (20°C), has light ... . Property of chloride :Molecular Weight85.47Boiling Point, °C-40.8Critical Temperature, °C96.2Critical Pressure, Mpa4.99Specific Heat of Liquid, 30°C ... ,50b/22.7kg, 950kg/926L, ISO-Tank.Use: as low temperature refrigerant, temperature range: -20-50°C; also used as extinguishing agent ...