9,12,15-Octadecatrienoic acid, methyl ester, (Z,Z,Z)-
- Formula: C19H32O2
- Molecular weight: 292.4562
- IUPAC Standard InChI: InChI=1S/C19H32O2/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19(20)21-2/h4-5,7-8,10-11H,3,6,9,12-18H2,1-2H3/b5-4-,8-7-,11-10-
- IUPAC Standard InChIKey: DVWSXZIHSUZZKJ-YSTUJMKBSA-N
- CAS Registry Number: 301-00-8
- 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. - Stereoisomers:
- Other names: Linolenic acid, methyl ester; Methyl all-cis-9,12,15-octadecatrienoate; Methyl linolenate; cis,cis,cis-9,12,15-Octadecatrienoic acid, methyl ester; Methyl α-linolenate; Methyl linolenate, α; (Z,Z,Z)-9,12,15-Octadecatrienoic acid, methyl ester; [Z,Z,Z]-9,12,15-Octadecadienoic acid methyl ester; methyl (9Z,12Z,15Z)-9,12,15-octadecatrienoate
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Condensed phase thermochemistry data
Go To: Top, Phase change 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | -117.77 | kcal/mol | Chyd | Rogers and Siddiqui, 1975 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -2750.00 ± 0.37 | kcal/mol | Ccb | Freedman, Bagby, et al., 1989 | Corresponding ΔfHºliquid = -130.01 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:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔvapH° | 26.4 ± 0.1 | kcal/mol | CGC | Lipkind, Kapustin, et al., 2007 | AC |
| ΔvapH° | 24.40 | kcal/mol | GC | Krop, Velzen, et al., 1997 | Based on data from 423. to 503. K.; AC |
Reduced pressure boiling point
| Tboil (K) | Pressure (atm) | Reference | Comment |
|---|---|---|---|
| 455.2 | 0.004 | Weast and Grasselli, 1989 | BS |
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 21.0 | 409. | A,MG,OM | Stephenson and Malanowski, 1987 | Based on data from 394. to 459. K. See also Scott, Macmillan, et al., 1952.; 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.
Rogers and Siddiqui, 1975
Rogers, D.W.; Siddiqui, N.A.,
Heats of hydrogenation of large molecules. I. Esters of unsaturated fatty acids,
J. Phys. Chem., 1975, 79, 574-577. [all data]
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]
Lipkind, Kapustin, et al., 2007
Lipkind, Dmitry; Kapustin, Yaroslav; Umnahanant, Patamaporn; Chickos, James S.,
The vaporization enthalpies and vapor pressures of a series of unsaturated fatty acid methyl esters by correlation gas chromatography,
Thermochimica Acta, 2007, 456, 2, 94-101, https://doi.org/10.1016/j.tca.2007.02.008
. [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]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [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]
Scott, Macmillan, et al., 1952
Scott, T.A., Jr.; Macmillan, D.; Melvin, E.H.,
Vapor pressures and distillation of methyl esters of some fatty acids,
Ind. Eng. Chem., 1952, 44, 172-175. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Tboil Boiling point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions 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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