Formic acid, butyl ester

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Condensed phase thermochemistry 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 by: Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference
200.25298.15Jimenez, Romani, et al., 1986

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
Tboil379.7 ± 0.7KAVGN/AAverage of 11 out of 12 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus183.15KN/ATimmermans, 1927Uncertainty assigned by TRC = 1.5 K; TRC
Tfus183.2KN/ATimmermans, 1922Uncertainty assigned by TRC = 0.4 K; TRC
Quantity Value Units Method Reference Comment
Tc565.2KN/AMajer and Svoboda, 1985 
Quantity Value Units Method Reference Comment
Δvap41.16kJ/molN/AMajer and Svoboda, 1985 
Δvap40.1kJ/molEBChylinski, Fras, et al., 2004Based on data from 313. to 359. K.; AC
Δvap41.3 ± 0.1kJ/molCSvoboda, Uchytilová, et al., 1980AC
Δvap37.1 ± 0.04kJ/molVMathews, 1926ALS

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
36.58379.3N/AMajer and Svoboda, 1985 
37.9310.AStephenson and Malanowski, 1987Based on data from 295. to 380. K.; AC
40.1 ± 0.1313.CSvoboda, Uchytilová, et al., 1980AC
39.0 ± 0.1328.CSvoboda, Uchytilová, et al., 1980AC
38.7 ± 0.1346.CCihlár, Hynek, et al., 1976AC
38.1 ± 0.1355.CCihlár, Hynek, et al., 1976AC
37.3 ± 0.1363.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) β Tc (K) Reference Comment
298. to 363.55.220.231565.2Majer 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
302.3 to 385.64.227721347.33-59.956Nelson, 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:


Reaction thermochemistry 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 by: Michael M. Meot-Ner (Mautner) and Sharon G. Lias

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

CH6N+ + Formic acid, butyl ester = (CH6N+ • Formic acid, butyl ester)

By formula: CH6N+ + C5H10O2 = (CH6N+ • C5H10O2)

Bond type: Hydrogen bonds of the type NH+-O between organics

Quantity Value Units Method Reference Comment
Δr103.kJ/molPHPMSMeot-Ner, 1984gas phase; Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
Δr110.J/mol*KN/AMeot-Ner, 1984gas phase; Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
52.3461.PHPMSMeot-Ner, 1984gas phase; Entropy change calculated or estimated

References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Notes

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

Jimenez, Romani, et al., 1986
Jimenez, E.; Romani, L.; Paz Andrade, M.I.; Roux-Desgranges, G.; Grolier, J.-P.E., Molar excess heat capacities and volumes for mixtures of alkanoates with cyclohexane at 25°C, J. Solution Chem., 1986, 15(11), 879-890. [all data]

Timmermans, 1927
Timmermans, J., The Melting Point of Organic Substances, Bull. Soc. Chim. Belg., 1927, 36, 502. [all data]

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

Chylinski, Fras, et al., 2004
Chylinski, Krzysztof; Fras, Zbigniew; Malanowski, Stanislaw K., Vapor-Liquid Equilibrium for Phenol + α-Methyl Benzyl Alcohol and 2-Ethoxyethanol + n -Butyl Formate «8224», J. Chem. Eng. Data, 2004, 49, 1, 2-6, https://doi.org/10.1021/je025566c . [all data]

Svoboda, Uchytilová, et al., 1980
Svoboda, Václav; Uchytilová, Vera; Majer, Vladimír; Pick, Jirí, Heats of vaporization of alkyl esters of formic, acetic and propionic acids, Collect. Czech. Chem. Commun., 1980, 45, 12, 3233-3240, https://doi.org/10.1135/cccc19803233 . [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]

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]

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]

Meot-Ner, 1984
Meot-Ner, (Mautner)M., The Ionic Hydrogen Bond and Ion Solvation. 1. -NH+ O-, -NH+ N- and -OH+ O- Bonds. Correlations with Proton Affinity. Deviations Due to Structural Effects, J. Am. Chem. Soc., 1984, 106, 5, 1257, https://doi.org/10.1021/ja00317a015 . [all data]


Notes

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