... for cooling agent and gas dissolved insecticides launch agent,commercial air condition R - 134a refrigerant,ethane 1,1,1,2 - tetrafluoroethane. ... 134a refrigerant, KLEA 134a refrigerant . chemical name 1,1,1,2 - anti-sunction ethane, molecular formula CH2FCF3. ... cool, dry and ventilated warehouse in, Handling should light, light discharge, prevent cylinders and valves and other accessories damaged. ...