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For this compound, WTT contains critically evaluated recommendations for:

  • Triple point temperature (Crystal 1, Liquid, and Gas)
    1 experimental data points
    • Critical temperature (Liquid and Gas)
      • Critical pressure (Liquid and Gas)
        • Critical density (Liquid and Gas)
          • Density (Liquid in equilibrium with Gas) as a function of Temperature
            Temperature from 210 K to 718 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
                • Enthalpy of formation
                  • Enthalpy of formation (Gas)
                  • Enthalpy of formation (Liquid)
                 
                 
                 
                 
                 
                 
                 
                 
                Compound Information 
                 
                 
                 
                 
                 
                Name: 4-pentynoic acid
                Formula: C5H6O2
                Molar Mass: 98.101
                Additional Names: propargylacetic acid
                Image of 4-pentynoic acid