... efficiency, safe energy saving, environmentally friendly, economical 1,1,1,2-Tetrafluoroethane R134a Molecular Formula :CH2FCF3Property of chloride : ... Molecular weight102.03BP, °C-26.1Ice point °C-Critical temperature , °C101.1Critical pressure ,Mpa4. ... liquid25 °C,(g/cm3)1.207Specific heat of liquid 25 °C,[KJ/(Kg• °C)]1.51Solubility(water,25 °C)%0.15ODP0 ...