Heptanoic acid, methyl ester
- Formula: C8H16O2
- Molecular weight: 144.2114
- IUPAC Standard InChIKey: XNCNNDVCAUWAIT-UHFFFAOYSA-N
- CAS Registry Number: 106-73-0
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Methyl enanthate; Methyl heptanoate; Methyl heptoate; Methyl n-heptanoate; Methyl n-heptylate; Methyl oenanthylate; Methyl ester of heptanoic acid
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Enthalpy of vaporization at standard conditions (nominally 298.15 K, 1 atm.)
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:
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
ΔvapH° (kcal/mol) | Method | Reference | Comment |
---|---|---|---|
12.7 ± 0.05 | GS | Verevkin and Emel'yanenko, 2008 | Based on data from 278. to 310. K.; AC |
12.4 ± 0.02 | N/A | van Genderen, van Miltenburg, et al., 2002 | AC |
12.8 | CGC | Chickos, Hosseini, et al., 1995 | Based on data from 313. to 363. K.; AC |
12.8 | CGC | Chickos, Hosseini, et al., 1995 | Based on data from 433. to 473. K.; AC |
12.8 | CGC | Chickos, Hosseini, et al., 1995 | Based on data from 313. to 353. K.; AC |
11.9 ± 0.1 | GC | Azandegbe, 1987 | AC |
12.7 ± 0.1 | GCC | Fuchs and Peacock, 1980 | AC |
12.7 ± 0.02 | C | Fuchs and Peacock, 1980 | AC |
12.34 ± 0.11 | C | Mansson, Sellers, et al., 1977 | ALS |
12.3 ± 0.1 | C | Månsson, Sellers, et al., 1977 | AC |
12.0 ± 0.3 | V | Adriaanse, Dekker, et al., 1965 | Heat of formation derived by Cox and Pilcher, 1970; ALS |
12.0 | N/A | Adriaanse, Dekker, et al., 1965 | DRB |
References
Go To: Top, Enthalpy of vaporization at standard conditions (nominally 298.15 K, 1 atm.), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Verevkin and Emel'yanenko, 2008
Verevkin, Sergey P.; Emel'yanenko, Vladimir N.,
Transpiration method: Vapor pressures and enthalpies of vaporization of some low-boiling esters,
Fluid Phase Equilibria, 2008, 266, 1-2, 64-75, https://doi.org/10.1016/j.fluid.2008.02.001
. [all data]
van Genderen, van Miltenburg, et al., 2002
van Genderen, Aad C.G.; van Miltenburg, J. Cees; Blok, Jacobus G.; van Bommel, Mark J.; van Ekeren, Paul J.; van den Berg, Gerrit J.K.; Oonk, Harry A.J.,
Liquid--vapour equilibria of the methyl esters of alkanoic acids: vapour pressures as a function of temperature and standard thermodynamic function changes,
Fluid Phase Equilibria, 2002, 202, 1, 109-120, https://doi.org/10.1016/S0378-3812(02)00097-3
. [all data]
Chickos, Hosseini, et al., 1995
Chickos, James S.; Hosseini, Sarah; Hesse, Donald G.,
Determination of vaporization enthalpies of simple organic molecules by correlations of changes in gas chromatographic net retention times,
Thermochimica Acta, 1995, 249, 41-62, https://doi.org/10.1016/0040-6031(95)90670-3
. [all data]
Azandegbe, 1987
Azandegbe, E.C.,
Analusis, 1987, 15, 370. [all data]
Fuchs and Peacock, 1980
Fuchs, Richard; Peacock, L. Alan,
Heats of vaporization of esters by the gas chromatography--calorimetry method,
Can. J. Chem., 1980, 58, 24, 2796-2799, https://doi.org/10.1139/v80-447
. [all data]
Mansson, Sellers, et al., 1977
Mansson, M.; Sellers, P.; Stridh, G.; Sunner, S.,
Enthalpies of vaporization of some 1-substituted n-alkanes,
J. Chem. Thermodyn., 1977, 9, 91. [all data]
Månsson, Sellers, et al., 1977
Månsson, M.; Sellers, P.; Stridh, G.; Sunner, S.,
Enthalpies of vaporization of some 1-substituted n-alkanes,
The Journal of Chemical Thermodynamics, 1977, 9, 1, 91-97, https://doi.org/10.1016/0021-9614(77)90202-6
. [all data]
Adriaanse, Dekker, et al., 1965
Adriaanse, N.; Dekker, H.; Coops, J.,
Heats of combustion of normal saturated fatty acids and their methyl esters,
Rec. Trav. Chim. Pays/Bas, 1965, 84, 393-407. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Notes
Go To: Top, Enthalpy of vaporization at standard conditions (nominally 298.15 K, 1 atm.), References
- Symbols used in this document:
ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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