... launch agent,commercial air condition R - 134a refrigerant,ethane 1,1,1,2 - tetrafluoroethane. alias HFC134a, HFC - 134a refrigerant, ... 134a refrigerant, KLEA 134a refrigerant . chemical name 1,1,1,2 - anti-sunction ethane, molecular formula CH2FCF3. Because ... nameR-134aMolecular weight102.0Boiling point(1atm),°C-26.2critical temperature,°C101.1critical pressure, kPa4070saturation vapour ...