Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

Formic acid, butyl ester

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Phase change data

Go To: Top, References, Notes

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
Deltavap9.837kcal/molN/AMajer and Svoboda, 1985 
Deltavap9.58kcal/molEBChylinski, Fras, et al., 2004Based on data from 313. - 359. K.; AC
Deltavap9.87 ± 0.02kcal/molCSvoboda, Uchytilová, et al., 1980AC
Deltavap8.86 ± 0.01kcal/molVMathews, 1926ALS

Enthalpy of vaporization

DeltavapH (kcal/mol) Temperature (K) Method Reference Comment
8.743379.3N/AMajer and Svoboda, 1985 
9.06310.AStephenson and Malanowski, 1987Based on data from 295. - 380. K.; AC
9.58 ± 0.02313.CSvoboda, Uchytilová, et al., 1980AC
9.32 ± 0.02328.CSvoboda, Uchytilová, et al., 1980AC
9.25 ± 0.02346.CCihlár, Hynek, et al., 1976AC
9.11 ± 0.02355.CCihlár, Hynek, et al., 1976AC
8.91 ± 0.02363.CCihlár, Hynek, et al., 1976AC

Enthalpy of vaporization

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

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Temperature (K) A (kcal/mol) beta Tc (K) Reference Comment
298. - 363.13.200.231565.2Majer and Svoboda, 1985 

Antoine Equation Parameters

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

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Temperature (K) A B C Reference Comment
302.3 - 385.64.222011347.33-59.956Nelson, 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:


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, 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 + «alpha»-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]


Notes

Go To: Top, Phase change data, References