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Methyl 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director
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
Tboil305. ± 1.KAVGN/AAverage of 20 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus173.2KN/ATimmermans, 1935Uncertainty assigned by TRC = 2. K; TRC
Tfus173.4KN/ATimmermans, 1911Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Tc487.2KN/AMajer and Svoboda, 1985 
Tc487.2KN/AYoung, 1910Uncertainty assigned by TRC = 1. K; TRC
Tc487.2KN/AYoung and Thomas, 1893Uncertainty assigned by TRC = 1. K; TRC
Tc523.7KN/ADe Heen, 1888Uncertainty assigned by TRC = 20. K; TRC
Tc485.2KN/ANadezhdin, 1887Uncertainty assigned by TRC = 2. K; TRC
Quantity Value Units Method Reference Comment
Pc60.04barN/AYoung, 1910Uncertainty assigned by TRC = 0.6079 bar; TRC
Pc60.075barN/AYoung and Thomas, 1893Uncertainty assigned by TRC = 0.40 bar; TRC
Pc62.47barN/ANadezhdin, 1887Uncertainty assigned by TRC = 2.0265 bar; TRC
Quantity Value Units Method Reference Comment
rhoc5.818mol/lN/AYoung, 1910Uncertainty assigned by TRC = 0.08 mol/l; TRC
rhoc5.818mol/lN/AYoung and Thomas, 1893Uncertainty assigned by TRC = 0.07 mol/l; TRC
Quantity Value Units Method Reference Comment
Deltavap29. ± 2.kJ/molAVGN/AAverage of 6 values; Individual data points

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
27.92304.7N/AMajer and Svoboda, 1985 
29.6292.AStephenson and Malanowski, 1987Based on data from 279. - 305. K.; AC
28.4320.AStephenson and Malanowski, 1987Based on data from 305. - 443. K.; AC
28.7 ± 0.1293.CCihlár, Hynek, et al., 1976AC
27.9 ± 0.1305.CCihlár, Hynek, et al., 1976AC
27.4 ± 0.1313.CCihlár, Hynek, et al., 1976AC
30.1283.BGBaldt and Hall, 1971Based on data from 261. - 305. K.; AC

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
293. - 314.46.090.3119487.2Majer and Svoboda, 1985 

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
294. - 304.90.250976.524-278.54Nelson, 1928Coefficents 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, 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, 1911
Timmermans, J., Researches on the freezing point of organic liquid compounds, Bull. Soc. Chim. Belg., 1911, 25, 300. [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]

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]

De Heen, 1888
De Heen, P., Research on Physics and Theory of Liquids, Experimental Part Paris, 1888. [all data]

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

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]

Baldt and Hall, 1971
Baldt, J.H.; Hall, H.K.K., Jr., Thermochemistry of strained-ring bridgehead nitriles and esters, J. Am. Chem. Soc., 1971, 93, 140-145. [all data]

Nelson, 1928
Nelson, O.A., Vapor Pressures of Fumigants: II---Methyl, Ethyl, n-Propyl, Isopropyl, n-Butyl, Secondary Butyl and Isobutyl Formates 1, Ind. Eng. Chem., 1928, 20, 12, 1382-1384, https://doi.org/10.1021/ie50228a035 . [all data]


Notes

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