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For this compound, WTT contains critically evaluated recommendations for:

  • Triple point temperature (Crystal 1, Liquid, and Gas)
    2 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 0.921468 kPa to 4306.58 kPa
            • Phase boundary pressure (Liquid in equilibrium with Gas) as a function of Temperature
              Temperature from 389.13 K to 760 K
              30 experimental data points
              • Critical density (Liquid and Gas)
                • Density
                  • Density (Liquid in equilibrium with Gas) as a function of Temperature
                    Temperature from 404.131 K to 760 K
                    1 experimental data points
                  • Density (Gas) as a function of Temperature and Pressure
                    Temperature from 374.797 K to 747.349 K
                    Pressure from 0.0006 kPa to 585.256 kPa
                  • Density (Gas in equilibrium with Liquid) as a function of Temperature
                    Temperature from 609.579 K to 760 K
                • Enthalpy of vaporization or sublimation
                  • Enthalpy of vaporization or sublimation (Crystal 1 to Gas) as a function of Temperature
                    Temperature from 298.15 K to 332.75 K
                    2 experimental data points
                  • Enthalpy of vaporization or sublimation (Liquid to Gas) as a function of Temperature
                    Temperature from 389.13 K to 760 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
                    • Viscosity
                      • Viscosity (Gas) as a function of Temperature and Pressure
                        Temperature from 530 K to 1130 K
                      • Viscosity (Liquid in equilibrium with Gas) as a function of Temperature
                        Temperature from 390 K to 750 K
                    • Thermal conductivity
                      • Thermal conductivity (Gas) as a function of Temperature and Pressure
                        Temperature from 530 K to 1130 K
                      • Thermal conductivity (Liquid in equilibrium with Gas) as a function of Temperature
                        Temperature from 390 K to 680 K
                    • Enthalpy of formation
                      • Enthalpy of formation (Gas)
                        1 experimental data points
                      • Enthalpy of formation (Crystal)
                        1 experimental data points
                     
                     
                     
                     
                     
                     
                     
                     
                    Compound Information 
                     
                     
                     
                     
                     
                    Name: 4-hydroxybenzaldehyde
                    Formula: C7H6O2
                    Molar Mass: 122.123
                    Additional Names: p-hydroxybenzaldehyde
                    4-formylphenol
                    p-oxybenzaldehyde
                    benzaldehyde, p-hydroxy-
                    p-formylphenol
                    parahydroxybenzaldehyde
                    benzaldehyde, 4-hydroxy-
                    Image of 4-hydroxybenzaldehyde