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For this compound, WTT contains critically evaluated recommendations for:

  • Triple point temperature (Crystal 1, Liquid, and Gas)
    5 experimental data points
    • Normal boiling temperature (Liquid and Gas)
      • Critical temperature (Liquid and Gas)
        • Critical pressure (Liquid and Gas)
          • Boiling temperature (Liquid in equilibrium with Gas) as a function of Pressure
            Pressure from 0.172858 kPa to 1565.39 kPa
            • Phase boundary pressure (Liquid in equilibrium with Gas) as a function of Temperature
              Temperature from 400.8 K to 825 K
              2 experimental data points
              • Critical density (Liquid and Gas)
                • Density
                  • Density (Liquid in equilibrium with Gas) as a function of Temperature
                    Temperature from 400.8 K to 825 K
                  • Density (Gas) as a function of Temperature and Pressure
                    Temperature from 489.594 K to 813.984 K
                    Pressure from 0.0003 kPa to 301.496 kPa
                • Enthalpy of vaporization or sublimation (Liquid to Gas) as a function of Temperature
                  Temperature from 400.8 K to 825 K
                  • Heat capacity at saturation pressure (Liquid in equilibrium with Gas) as a function of Temperature
                    Temperature from 400.8 K to 808.5 K
                    • Heat capacity at constant pressure (Ideal Gas) as a function of Temperature
                      Temperature from 200 K to 1000 K
                      • Enthalpy (Ideal Gas) as a function of Temperature
                        Temperature from 200 K to 1000 K
                        • Entropy
                          • Entropy (Ideal Gas) as a function of Temperature and Pressure
                            Temperature from 200 K to 1000 K
                          • Entropy (Liquid in equilibrium with Gas) as a function of Temperature
                            Temperature from 400.8 K to 808.5 K
                        • Viscosity
                          • Viscosity (Gas) as a function of Temperature and Pressure
                            Temperature from 620 K to 1230 K
                          • Viscosity (Liquid in equilibrium with Gas) as a function of Temperature
                            Temperature from 410 K to 820 K
                        • Thermal conductivity
                          • Thermal conductivity (Gas) as a function of Temperature and Pressure
                            Temperature from 620 K to 1230 K
                          • Thermal conductivity (Liquid in equilibrium with Gas) as a function of Temperature
                            Temperature from 410 K to 740 K
                        • Enthalpy of formation
                          • Enthalpy of formation (Gas)
                          • Enthalpy of formation (Crystal)
                            1 experimental data points
                         
                         
                         
                         
                         
                         
                         
                         
                        Compound Information 
                         
                         
                         
                         
                         
                        Name: 4,4'-bis(1,1-dimethylethyl)-1,1'-biphenyl
                        Formula: C20H26
                        Molar Mass: 266.428
                        Additional Names: 1,1'-biphenyl, 4,4'-bis(1,1-dimethylethyl)-
                        DBB
                        biphenyl, 4,4'-di-tert-butyl-
                        p,p'-di-tert-butylbiphenyl
                        4,4'-di-tert-butylbiphenyl
                        4,4'-di-tert-butyl-1,1'-biphenyl
                        Image of 4,4'-bis(1,1-dimethylethyl)-1,1'-biphenyl