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For this compound, WTT contains critically evaluated recommendations for:
(Please note that if more than 50 points are used for regression, only the 50 most-constraining points are reported)

  • Triple point temperature
    • Triple point temperature (Crystal 3, Crystal 2, and Gas)
      1 experimental data points
    • Triple point temperature (Crystal 2, Crystal 1, and Gas)
      1 experimental data points
    • Triple point temperature (Crystal 1, Liquid, and Gas)
      2 experimental data points
  • Normal boiling temperature (Liquid and Gas)
    • Critical temperature (Liquid and Gas)
      3 experimental data points
      • Critical pressure (Liquid and Gas)
        1 experimental data points
        • Boiling temperature (Liquid in equilibrium with Gas) as a function of Pressure
          Pressure from 88.1625 kPa to 3257 kPa
          • Phase boundary pressure (Liquid in equilibrium with Gas) as a function of Temperature
            Temperature from 273.15 K to 418.83 K
            50 experimental data points
            • Critical density (Liquid and Gas)
              1 experimental data points
              • Density
                • Density (Liquid in equilibrium with Gas) as a function of Temperature
                  Temperature from 273.15 K to 418.83 K
                  50 experimental data points
                • Density (Gas in equilibrium with Liquid) as a function of Temperature
                  Temperature from 273.15 K to 418.83 K
                  12 experimental data points
                • Density (Liquid) as a function of Temperature and Pressure
                  Temperature from 273.15 K to 420.608 K
                  Pressure from 0.02 kPa to 21000 kPa
                  50 experimental data points
                • Density (Gas) as a function of Temperature and Pressure
                  Temperature from 273.15 K to 507 K
                  Pressure from 0.02 kPa to 3352 kPa
                  41 experimental data points
              • Isobaric coefficient of expansion
                • Isobaric coefficient of expansion (Liquid) as a function of Temperature and Pressure
                  Temperature from 273.15 K to 420.608 K
                  Pressure from 0.02 kPa to 21000 kPa
                • Isobaric coefficient of expansion (Gas) as a function of Temperature and Pressure
                  Temperature from 273.15 K to 507 K
                  Pressure from 0.02 kPa to 3352 kPa
              • Isothermal compressibility
                • Isothermal compressibility (Liquid) as a function of Temperature and Pressure
                  Temperature from 273.15 K to 420.608 K
                  Pressure from 0.02 kPa to 21000 kPa
                • Isothermal compressibility (Gas) as a function of Temperature and Pressure
                  Temperature from 273.15 K to 507 K
                  Pressure from 0.02 kPa to 3352 kPa
              • Thermal pressure coefficient
                • Thermal pressure coefficient (Liquid) as a function of Temperature and Pressure
                  Temperature from 273.15 K to 420.608 K
                  Pressure from 0.02 kPa to 21000 kPa
                • Thermal pressure coefficient (Gas) as a function of Temperature and Pressure
                  Temperature from 273.15 K to 507 K
                  Pressure from 0.02 kPa to 3352 kPa
              • 2nd virial coefficient (Gas) as a function of Temperature
                Temperature from 273.15 K to 507 K
                38 experimental data points
                • 3rd virial coefficient (Gas) as a function of Temperature
                  Temperature from 273.15 K to 507 K
                  • Enthalpy of phase transition
                    • Enthalpy of phase transition (Crystal 3 to Crystal 2 in equilibrium with Gas)
                      1 experimental data points
                    • Enthalpy of phase transition (Crystal 2 to Crystal 1 in equilibrium with Gas)
                      1 experimental data points
                    • Enthalpy of phase transition (Crystal 1 to Liquid in equilibrium with Gas)
                      1 experimental data points
                  • Enthalpy of vaporization or sublimation (Liquid to Gas) as a function of Temperature
                    Temperature from 273.15 K to 418.83 K
                    • Heat capacity at saturation pressure
                      • Heat capacity at saturation pressure (Crystal 3 in equilibrium with Gas) as a function of Temperature
                        Temperature from 8e-05 K to 85 K
                        50 experimental data points
                      • Heat capacity at saturation pressure (Crystal 2 in equilibrium with Gas) as a function of Temperature
                        Temperature from 109.311 K to 134.61 K
                        28 experimental data points
                      • Heat capacity at saturation pressure (Crystal 1 in equilibrium with Gas) as a function of Temperature
                        Temperature from 134.61 K to 180.632 K
                        20 experimental data points
                      • Heat capacity at saturation pressure (Liquid in equilibrium with Gas) as a function of Temperature
                        Temperature from 273.15 K to 418.7 K
                        21 experimental data points
                    • Heat capacity at constant pressure
                      • Heat capacity at constant pressure (Liquid) as a function of Temperature and Pressure
                        Temperature from 273.15 K to 420.608 K
                        Pressure from 0.02 kPa to 21000 kPa
                        50 experimental data points
                      • Heat capacity at constant pressure (Ideal Gas) as a function of Temperature
                        Temperature from 50 K to 1500 K
                      • Heat capacity at constant pressure (Gas) as a function of Temperature and Pressure
                        Temperature from 273.15 K to 507 K
                        Pressure from 0.02 kPa to 3352 kPa
                        18 experimental data points
                    • Enthalpy
                      • Enthalpy (Crystal 3 in equilibrium with Gas) as a function of Temperature
                        Temperature from 8e-05 K to 85 K
                      • Enthalpy (Liquid in equilibrium with Gas) as a function of Temperature
                        Temperature from 180.632 K to 410 K
                      • Enthalpy (Ideal Gas) as a function of Temperature
                        Temperature from 50 K to 1500 K
                    • Entropy
                      • Entropy (Crystal 3 in equilibrium with Gas) as a function of Temperature
                        Temperature from 8e-05 K to 85 K
                        32 experimental data points
                      • Entropy (Ideal Gas) as a function of Temperature and Pressure
                        Temperature from 50 K to 1500 K
                      • Entropy (Liquid in equilibrium with Gas) as a function of Temperature
                        Temperature from 273.15 K to 418.83 K
                    • Adiabatic compressibility
                      • Adiabatic compressibility (Liquid) as a function of Temperature and Pressure
                        Temperature from 273.15 K to 420.608 K
                        Pressure from 0.02 kPa to 21000 kPa
                      • Adiabatic compressibility (Gas) as a function of Temperature and Pressure
                        Temperature from 273.15 K to 507 K
                        Pressure from 0.02 kPa to 3352 kPa
                    • Pressure coefficient of enthalpy (Liquid) as a function of Temperature and Pressure
                      Temperature from 273.15 K to 420.608 K
                      Pressure from 0.02 kPa to 21000 kPa
                      • Joule-Thomson coefficient (Gas) as a function of Temperature and Pressure
                        Temperature from 273.15 K to 507 K
                        Pressure from 0.02 kPa to 3352 kPa
                        • Speed of sound
                          • Speed of sound (Gas in equilibrium with Liquid) as a function of Temperature
                            Temperature from 273.15 K to 418.83 K
                            11 experimental data points
                          • Speed of sound (Liquid) as a function of Temperature and Pressure
                            Temperature from 273.15 K to 420.608 K
                            Pressure from 0.02 kPa to 21000 kPa
                            50 experimental data points
                          • Speed of sound (Gas) as a function of Temperature and Pressure
                            Temperature from 273.15 K to 507 K
                            Pressure from 0.02 kPa to 3352 kPa
                          • Speed of sound (Liquid in equilibrium with Gas) as a function of Temperature
                            Temperature from 273.15 K to 418.83 K
                            6 experimental data points
                        • Refractive index (Liquid) as a function of Wavelength, Temperature, and Pressure
                          1 experimental data points
                          • Surface tension (Liquid in equilibrium with Gas) as a function of Temperature
                            Temperature from 273.15 K to 418.83 K
                            50 experimental data points
                            • Viscosity
                              • Viscosity (Liquid in equilibrium with Gas) as a function of Temperature
                                Temperature from 273.15 K to 418.7 K
                                44 experimental data points
                              • Viscosity (Liquid) as a function of Temperature and Pressure
                                Temperature from 273.15 K to 420.607 K
                                Pressure from 0.02 kPa to 21000 kPa
                                223 experimental data points
                              • Viscosity (Gas) as a function of Temperature and Pressure
                                Temperature from 273.15 K to 507 K
                                Pressure from 0.02 kPa to 3352 kPa
                            • Thermal conductivity
                              • Thermal conductivity (Liquid in equilibrium with Gas) as a function of Temperature
                                Temperature from 273.15 K to 418.7 K
                                14 experimental data points
                              • Thermal conductivity (Liquid) as a function of Temperature and Pressure
                                Temperature from 273.15 K to 420.607 K
                                Pressure from 0.02 kPa to 21000 kPa
                                157 experimental data points
                              • Thermal conductivity (Gas) as a function of Temperature and Pressure
                                Temperature from 273.15 K to 507 K
                                Pressure from 0.02 kPa to 3352 kPa
                                10 experimental data points
                            • Enthalpy of formation
                              • Enthalpy of formation (Gas)
                                1 experimental data points
                              • Enthalpy of formation (Liquid)
                                1 experimental data points
                             
                             
                             
                             
                             
                             
                             
                             
                            Compound Information 
                             
                             
                             
                             
                             
                            Name: 1,2-dichloro-1,1,2,2-tetrafluoroethane
                            Formula: C2Cl2F4
                            Molar Mass: 170.9156128
                            Additional Names: 1,2-dichlorotetrafluoroethane
                            freon 114
                            ethane, 1,2-dichloro-1,1,2,2-tetrafluoro-
                            R-114
                            1,1,2,2-tetrafluoro-1,2-dichloroethane
                            Image of 1,2-dichloro-1,1,2,2-tetrafluoroethane