... -Tetrafluoroethane ,used in auto air condition,refrigerator,central air-condition.R-134a has been widly used as refrigerant in car ,super ... ,pesticide Physical Properties Quality Specification Molecular formulaCH2FCF3Purity, %≥99.9Boiling Point, °C-26.1Moisture, ppm≤10Critical Temperature,°C101.1Acidity, ppm≤0.1Critical ...