Docosanoic acid, methyl ester
- Formula: C23H46O2
- Molecular weight: 354.6101
- IUPAC Standard InChIKey: QSQLTHHMFHEFIY-UHFFFAOYSA-N
- CAS Registry Number: 929-77-1
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Behenic acid, methyl ester; Methyl behenate; Methyl docosanoate; n-Docosanoic acid methyl ester; Kemester 9022; 22:0, Me ester; Methyl behenoate
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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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔcH°solid | -3481.0 ± 0.1 | kcal/mol | Ccb | Freedman, Bagby, et al., 1989 | Corresponding ΔfHºsolid = -253.4 kcal/mol (simple calculation by NIST; no Washburn corrections) |
Phase change data
Go To: Top, Condensed phase thermochemistry data, 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:
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔvapH° | 30.11 ± 0.07 | kcal/mol | GC | Haftka, Parsons, et al., 2006 | Based on data from 463. to 513. K.; AC |
ΔvapH° | 30.14 ± 0.60 | kcal/mol | CGC | Chickos, Zhao, et al., 2004 | Based on data from 467. to 558. K.; AC |
ΔvapH° | 30.14 | kcal/mol | GC | Krop, Velzen, et al., 1997 | Based on data from 463. to 523. K.; AC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
19.4 | 498. | N/A | Husain, Sarma, et al., 1993 | Based on data from 453. to 543. K.; AC |
23.5 | 482. | A | Stephenson and Malanowski, 1987 | Based on data from 467. to 539. K. See also Rose and Schrodt, 1963.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
6.9787 | 324.99 | N/A | King and Garner, 1936 | DH |
20.0 | 327.2 | DSC | Chickos, Zhao, et al., 2004 | AC |
19.7 | 327.2 | N/A | King and Garner, 1936, 2 | AC |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Freedman, Bagby, et al., 1989
Freedman, B.; Bagby, M.O.; Khoury, H.,
Correlation of heats of combustion with empirical formulas for fatty alcohols,
J. Am. Oil Chem. Soc., 1989, 66, 595-596. [all data]
Haftka, Parsons, et al., 2006
Haftka, Joris J.H.; Parsons, John R.; Govers, Harrie A.J.,
Supercooled liquid vapour pressures and related thermodynamic properties of polycyclic aromatic hydrocarbons determined by gas chromatography,
Journal of Chromatography A, 2006, 1135, 1, 91-100, https://doi.org/10.1016/j.chroma.2006.09.050
. [all data]
Chickos, Zhao, et al., 2004
Chickos, James S.; Zhao, Hui; Nichols, Gary,
The vaporization enthalpies and vapor pressures of fatty acid methyl esters C18, C21 to C23, and C25 to C29 by correlation -- gas chromatography,
Thermochimica Acta, 2004, 424, 1-2, 111-121, https://doi.org/10.1016/j.tca.2004.05.020
. [all data]
Krop, Velzen, et al., 1997
Krop, Hildo B.; Velzen, Martin J.M.v.; Parsons, John R.; Govers, Harrie A.J.,
Determination of environmentally relevant physical-chemical properties of some fatty acid esters,
J Amer Oil Chem Soc, 1997, 74, 3, 309-315, https://doi.org/10.1007/s11746-997-0142-9
. [all data]
Husain, Sarma, et al., 1993
Husain, Sajid; Sarma, P. Nageswara; Swamy, G.Y.S.K.; Devi, K. Sita,
Determination of physicochemical properties of some fatty acid methyl esters by gas liquid chromatography,
J Am Oil Chem Soc, 1993, 70, 2, 149-155, https://doi.org/10.1007/BF02542618
. [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]
Rose and Schrodt, 1963
Rose, Arthur; Schrodt, Verle N.,
Correlation and Prediction of Vapor Pressures of Homologs. Use of Structure Parameters and Gas Chromatography Data.,
J. Chem. Eng. Data, 1963, 8, 1, 9-13, https://doi.org/10.1021/je60016a002
. [all data]
King and Garner, 1936
King, A.M.; Garner, W.E.,
The heats of crystallization of methyl and ethyl esters of monobasic fatty acids, 1936, J. [all data]
King and Garner, 1936, 2
King, A. Millicent; Garner, William E.,
297. The heats of crystallisation of methyl and ethyl esters of monobasic fatty acids,
J. Chem. Soc., 1936, 1372, https://doi.org/10.1039/jr9360001372
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfusH Enthalpy of fusion ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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