... .15Critical pressure, MPa: 3.834Critical density, g/cm3: 0.455Liquid density (water=1): 0.93Vapor pressure,(absolute pressure)MPa: 1.247Vaporization heat ... .0ODP: 0QWP: 52Quality standardAppearance: Colorless, no turbidOdor: OdorlessPurity, ≥%: 99.8Water, ≤%: 0.001Acidity, ≤%: 0.01Residue on evaporation ≤%: 0.01 Cooling Gas HFC-143A