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Ethyl formate

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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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director
BS - Robert L. Brown and Stephen E. Stein
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil327. ± 1.KAVGN/AAverage of 33 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus193.55KN/ATimmermans, 1952Uncertainty assigned by TRC = 0.5 K; TRC
Tfus193.KN/ATimmermans, 1935Uncertainty assigned by TRC = 2. K; TRC
Tfus193.75KN/ATimmermans, 1934Uncertainty assigned by TRC = 0.4 K; TRC
Tfus192.65KN/ATimmermans, 1911Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Tc508. ± 5.KAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Pc47.38barN/AYoung, 1910Uncertainty assigned by TRC = 1.0132 bar; TRC
Pc47.370barN/AYoung and Thomas, 1893Uncertainty assigned by TRC = 0.40 bar; TRC
Pc49.81barN/ANadezhdin, 1887Uncertainty assigned by TRC = 2.0265 bar; TRC
Pc49.30barN/ASajots, 1879Uncertainty assigned by TRC = 2.0265 bar; TRC
Quantity Value Units Method Reference Comment
rhoc4.363mol/lN/AYoung, 1910Uncertainty assigned by TRC = 0.07 mol/l; TRC
rhoc4.363mol/lN/AYoung and Thomas, 1893Uncertainty assigned by TRC = 0.05 mol/l; TRC
rhoc4.25mol/lN/ANadezhdin, 1887Uncertainty assigned by TRC = 0.08 mol/l; TRC
Quantity Value Units Method Reference Comment
Deltavap32.11kJ/molN/AMajer and Svoboda, 1985 
Deltavap32.2kJ/molVHine and Klueppet, 1974ALS
Deltavap32.5kJ/molN/AHine and Klueppet, 1974DRB
Deltavap30.1 ± 0.01kJ/molVMathews, 1926ALS

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
29.91327.5N/AMajer and Svoboda, 1985 
31.4313.N/AFárková and Wichterle, 1993Based on data from 300. - 326. K.; AC
29.9342.AStephenson and Malanowski, 1987Based on data from 327. - 498. K.; AC
35.8228.AStephenson and Malanowski, 1987Based on data from 213. - 336. K. See also Dykyj, 1970.; AC
31.6 ± 0.1304.CCihlár, Hynek, et al., 1976AC
30.9 ± 0.1313.CCihlár, Hynek, et al., 1976AC
29.8 ± 0.1328.CCihlár, Hynek, et al., 1976AC

Enthalpy of vaporization

ΔvapH = A exp(-βTr) (1 − Tr)β
    ΔvapH = Enthalpy of vaporization (at saturation pressure) (kJ/mol)
    Tr = reduced temperature (T / Tc)

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Temperature (K) A (kJ/mol) beta Tc (K) Reference Comment
304. - 343.51.070.3191508.4Majer and Svoboda, 1985 

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, 1952
Timmermans, J., Freezing points of organic compounds. VVI New determinations., Bull. Soc. Chim. Belg., 1952, 61, 393. [all data]

Timmermans, 1935
Timmermans, J., Researches in Stoichiometry. I. The Heat of Fusion of Organic Compounds., Bull. Soc. Chim. Belg., 1935, 44, 17-40. [all data]

Timmermans, 1934
Timmermans, J., Theory of Concentrated Solutions XII., Bull. Soc. Chim. Belg., 1934, 43, 626. [all data]

Timmermans, 1911
Timmermans, J., Researches on the freezing point of organic liquid compounds, Bull. Soc. Chim. Belg., 1911, 25, 300. [all data]

Young, 1910
Young, S., The Internal Heat of Vaporization constants of thirty pure substances, Sci. Proc. R. Dublin Soc., 1910, 12, 374. [all data]

Young and Thomas, 1893
Young, S.; Thomas, G.L., The vapour pressures, molecular volumes, and critical constants of ten of the lower esters, J. Chem. Soc., 1893, 63, 1191. [all data]

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

Sajots, 1879
Sajots, W., Vapor Pressures of Saturated Vapors at High Temperatures., Beibl. Ann. Phys., 1879, 3, 741-3. [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]

Hine and Klueppet, 1974
Hine, J.; Klueppet, A.W., Structural effects on rates and equilibria. XVIII. Thermodynamic stability of ortho esters, J. Am. Chem. Soc., 1974, 96, 2924-2929. [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]

Fárková and Wichterle, 1993
Fárková, J.; Wichterle, I., Vapour pressures of some ethyl and propyl esters of fatty acids, Fluid Phase Equilibria, 1993, 90, 1, 143-148, https://doi.org/10.1016/0378-3812(93)85009-B . [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]

Dykyj, 1970
Dykyj, J., Petrochemica, 1970, 10, 2, 51. [all data]

Cihlár, Hynek, et al., 1976
Cihlár, J.; Hynek, V.; Svoboda, V.; Holub, R., Heats of vaporization of alkyl esters of formic acid, Collect. Czech. Chem. Commun., 1976, 41, 1, 1-6, https://doi.org/10.1135/cccc19760001 . [all data]


Notes

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