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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 (Crystal 1, Liquid, and Gas)
    9 experimental data points
    • Normal boiling temperature (Liquid and Gas)
      • Critical temperature (Liquid and Gas)
        7 experimental data points
        • Critical pressure (Liquid and Gas)
          3 experimental data points
          • Boiling temperature (Liquid in equilibrium with Gas) as a function of Pressure
            Pressure from 4.5952e-005 kPa to 3625.6 kPa
            • Phase boundary pressure
              • Phase boundary pressure (Liquid in equilibrium with Gas) as a function of Temperature
                Temperature from 239.517 K to 639.493 K
                50 experimental data points
              • Phase boundary pressure (Crystal 1 in equilibrium with Liquid) as a function of Temperature
                Temperature from 239.517 K to 254.165 K
                6 experimental data points
            • Critical density (Liquid and Gas)
              2 experimental data points
              • Density
                • Density (Liquid in equilibrium with Gas) as a function of Temperature
                  Temperature from 239.517 K to 639.493 K
                  46 experimental data points
                • Density (Liquid) as a function of Temperature and Pressure
                  Temperature from 293.15 K to 323.15 K
                  Pressure from 0.02 kPa to 25000 kPa
                  50 experimental data points
              • Enthalpy of phase transition (Crystal 1 to Liquid in equilibrium with Gas)
                3 experimental data points
                • Enthalpy of vaporization or sublimation (Liquid to Gas) as a function of Temperature
                  Temperature from 239.517 K to 639.493 K
                  5 experimental data points
                  • Heat capacity at saturation pressure
                    • Heat capacity at saturation pressure (Liquid in equilibrium with Gas) as a function of Temperature
                      Temperature from 239.517 K to 302.964 K
                      16 experimental data points
                    • Heat capacity at saturation pressure (Crystal 1 in equilibrium with Gas) as a function of Temperature
                      Temperature from 0.0002 K to 239.516 K
                      50 experimental data points
                  • Heat capacity at constant pressure (Ideal Gas) as a function of Temperature
                    Temperature from 200 K to 1000 K
                    • Enthalpy
                      • Enthalpy (Crystal 1 in equilibrium with Gas) as a function of Temperature
                        Temperature from 0.0002 K to 239.516 K
                      • Enthalpy (Liquid in equilibrium with Gas) as a function of Temperature
                        Temperature from 239.517 K to 302.964 K
                      • Enthalpy (Ideal Gas) as a function of Temperature
                        Temperature from 200 K to 1000 K
                    • Entropy (Crystal 1 in equilibrium with Gas) as a function of Temperature
                      Temperature from 0.0002 K to 239.516 K
                      33 experimental data points
                      • Refractive index (Liquid) as a function of Wavelength, Temperature, and Pressure
                        Temperature from 293.089 K to 566.332 K
                        22 experimental data points
                        • Surface tension (Liquid in equilibrium with Gas) as a function of Temperature
                          Temperature from 292.989 K to 308.15 K
                          7 experimental data points
                          • Viscosity
                            • Viscosity (Liquid in equilibrium with Gas) as a function of Temperature
                              Temperature from 273.001 K to 630 K
                              5 experimental data points
                            • Viscosity (Gas) as a function of Temperature and Pressure
                              Temperature from 460 K to 950 K
                          • Thermal conductivity
                            • Thermal conductivity (Gas) as a function of Temperature and Pressure
                              Temperature from 460 K to 950 K
                            • Thermal conductivity (Liquid in equilibrium with Gas) as a function of Temperature
                              Temperature from 240 K to 570 K
                          • Enthalpy of formation
                            • Enthalpy of formation (Gas)
                            • Enthalpy of formation (Liquid)
                              3 experimental data points
                           
                           
                           
                           
                           
                           
                           
                           
                          Compound Information 
                           
                           
                           
                           
                           
                          Name: pentanoic acid
                          Formula: C5H10O2
                          Molar Mass: 102.133
                          Additional Names: n-valeric acid
                          valeric acid
                          1-butanecarboxylic acid
                          n-pentanoic acid
                          Image of pentanoic acid