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Propanoic acid, 2-methyl-, ethyl ester

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Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Tboil383.4 ± 0.7KAVGN/AAverage of 14 out of 16 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus175.4KN/ATimmermans, 1922Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Tc553.6KN/ANadezhdin, 1887Uncertainty assigned by TRC = 4. K; TRC
Quantity Value Units Method Reference Comment
Pc30.53barN/ANadezhdin, 1887Uncertainty assigned by TRC = 2.0265 bar; TRC
Quantity Value Units Method Reference Comment
rhoc2.38mol/lN/ANadezhdin, 1887Uncertainty assigned by TRC = 0.07 mol/l; TRC
Quantity Value Units Method Reference Comment
Deltavap39.88kJ/molN/AMajer and Svoboda, 1985 
Deltavap39.8 ± 0.1kJ/molCWadsö, Murto, et al., 1966AC
Deltavap39.8 ± 0.1kJ/molCWadso, 1966ALS
Deltavap35.6 ± 0.04kJ/molVMathews, 1926ALS

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
33.67383.3N/AMajer and Svoboda, 1985 
36.0398.AStephenson and Malanowski, 1987Based on data from 383. - 483. K.; AC
44.1264.AStephenson and Malanowski, 1987Based on data from 249. - 393. K. See also Stull, 1947.; AC

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
248.9 - 383.4.482021536.985-39.904Stull, 1947Coefficents calculated by NIST from author's data.
383.3 - 553.4.57001625.753-27.105Stull, 1947Coefficents calculated by NIST from author's data.

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


References

Go To: Top, Phase change data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Timmermans, 1922
Timmermans, J., Investigation of the Freezing Point of Organic Substances VII, Bull. Soc. Chim. Belg., 1922, 31, 389. [all data]

Nadezhdin, 1887
Nadezhdin, A., Rep. Phys., 1887, 23, 708. [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

Wadsö, Murto, et al., 1966
Wadsö, Ingemar; Murto, Maija-Leena; Bergson, Göran; Ehrenberg, L.; Brunvoll, J.; Bunnenberg, E.; Djerassi, Carl; Records, Ruth, Heats of Vaporization for a Number of Organic Compounds at 25 degrees C., Acta Chem. Scand., 1966, 20, 544-552, https://doi.org/10.3891/acta.chem.scand.20-0544 . [all data]

Wadso, 1966
Wadso, I., Acta Chem. Scand., 1966, 20, 544. [all data]

Mathews, 1926
Mathews, J.H., The accurate measurement of heats of vaporization of liquids, J. Am. Chem. Soc., 1926, 48, 562-576. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]


Notes

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