Physical and Chemical Properties of R-134A Refrigerant APPEARANCE Clear, colorless liquid and vapor PHYSICAL STATE Gas at ambient temperatures Molecular Weight (Da) 102 CHEMICAL FORMULA F₃CCH₂F ODOR Faint ethereal odor SPECIFIC GRAVITY (water = 1.0) <1.22 SOLUBILITY IN WATER (weight %) 0.15 wt% pH Neutral FREEZING POINT: 92.5 °C (-141.9°F) Boiling point (°C)26.2 °C (-15.1°F) Liquid density (30 °C), kg/m³1040 Vapor density (30 °C), air=1.03.5 Vapor pressure 85.8 psia @ 70°F 213.4 psia @ 130°F EVAPORATION RATE >1 COMPARED TO: CC14 = 1 % VOLATILES 100 RELATIVE DENSITY: 1.21g/cm3 at 25˚C PARTITION COEFF (n-octanol/water)Log Pow: 1.06 AUTO IGNITION TEMP>750˚C DECOMPOSITION TEMPERATURE>250˚C
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