Compound Information 

Name: benzene hexaheptanoate
Formula: C48H78O12
Molar Mass: 847.14
Additional Names: heptanoic acid, 1,2,3,4,5,6-benzenehexayl ester
Image of benzene hexaheptanoate

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Property Availability 

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 4, Crystal 3, and Gas)
      3 experimental data points
    • Triple point temperature (Crystal 1, Liquid, and Gas)
      3 experimental data points
    • Triple point temperature (Crystal 2, Crystal 1, and Gas)
      3 experimental data points
    • Triple point temperature (Crystal 3, Crystal 2, and Gas)
      3 experimental data points
    • Triple point temperature (Crystal 5, Crystal 4, and Gas)
      3 experimental data points
  • Critical temperature (Liquid and Gas)
    • Critical pressure (Liquid and Gas)
      • Enthalpy of phase transition
        • Enthalpy of phase transition (Crystal 2 to Crystal 1 in equilibrium with Gas)
          3 experimental data points
        • Enthalpy of phase transition (Crystal 4 to Crystal 3 in equilibrium with Gas)
          2 experimental data points
        • Enthalpy of phase transition (Crystal 5 to Crystal 4 in equilibrium with Gas)
          2 experimental data points
        • Enthalpy of phase transition (Crystal 1 to Liquid in equilibrium with Gas)
          2 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 360.028 K to 390.595 K
          12 experimental data points
        • Heat capacity at saturation pressure (Crystal 3 in equilibrium with Gas) as a function of Temperature
          Temperature from 222.809 K to 226.717 K
          6 experimental data points
        • Heat capacity at saturation pressure (Crystal 1 in equilibrium with Gas) as a function of Temperature
          Temperature from 353.769 K to 359.257 K
          5 experimental data points
        • Heat capacity at saturation pressure (Crystal 5 in equilibrium with Gas) as a function of Temperature
          Temperature from 0.0001 K to 129.013 K
          50 experimental data points
        • Heat capacity at saturation pressure (Crystal 4 in equilibrium with Gas) as a function of Temperature
          Temperature from 129.014 K to 222.808 K
          35 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 5 in equilibrium with Gas) as a function of Temperature
            Temperature from 0.0001 K to 129.013 K
          • Enthalpy (Crystal 4 in equilibrium with Gas) as a function of Temperature
            Temperature from 129.014 K to 222.808 K
          • Enthalpy (Crystal 3 in equilibrium with Gas) as a function of Temperature
            Temperature from 222.809 K to 226.717 K
          • Enthalpy (Ideal Gas) as a function of Temperature
            Temperature from 200 K to 1000 K
        • Entropy
          • Entropy (Crystal 5 in equilibrium with Gas) as a function of Temperature
            Temperature from 0.0001 K to 129.013 K
            12 experimental data points
          • Entropy (Crystal 4 in equilibrium with Gas) as a function of Temperature
            Temperature from 129.014 K to 222.808 K
            5 experimental data points
          • Entropy (Crystal 3 in equilibrium with Gas) as a function of Temperature
            Temperature from 222.809 K to 226.717 K
        • Enthalpy of formation
          • Enthalpy of formation (Gas)
          • Enthalpy of formation (Liquid)

        About WTT 

        NIST/TRC Web Thermo Tables (WTT)
        NIST Standard Reference Subscription Database 3 - Professional Edition
        Version 2-2012-1-Pro

        This web application provides access to a collection of critically evaluated thermodynamic property data for pure compounds with a primary focus on organics. These data were generated through dynamic data analysis, as implemented in the NIST ThermoData Engine software package [1, 2, 3, 4, 5, 6]. Some critically evaluated data from the historical TRC Thermodynamic Tables archive [7, 8] are included, also. As of May 2012, the Professional Edition contains information on 28432 compounds and total of 531486 evaluated data points. The properties covered by both versions (32 total) are described in Properties and Implemented Models.

        Developed by Kenneth Kroenlein, Chris D. Muzny, Andrei F. Kazakov, Vladimir Diky, Robert D. Chirico, Joseph W. Magee, Ilmutdin Abdulagatov and Michael Frenkel.

        Thermodynamics Research Center (TRC)
        Thermophysical Properties Division
        National Institute of Standards and Technology
        Boulder CO 80305-3337

        Questions and comments should be addressed to Dr. Michael Frenkel .

        DISCLAIMER: The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high-quality copy of the database and to verify that the methods and data contained therein have been selected on the basis of sound scientific judgement. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the program and database.

        Distributed by:
        Standard Reference Data Program
        National Institute of Standards and Technology
        Gaithersburg MD 20899

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