9,12-Octadecadienoic acid, methyl ester, (E,E)-
- Formula: C19H34O2
- Molecular weight: 294.4721
- IUPAC Standard InChI: InChI=1S/C19H34O2/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19(20)21-2/h7-8,10-11H,3-6,9,12-18H2,1-2H3/b8-7+,11-10+
- IUPAC Standard InChIKey: WTTJVINHCBCLGX-ZDVGBALWSA-N
- CAS Registry Number: 2566-97-4
- Chemical structure:
This structure is also available as a 2d Mol file - Species with the same structure:
- Stereoisomers:
- Other names: Linolelaidic acid, methyl ester; Methyl linolelaidate; Methyl trans,trans-9,12-octadecadienoate; Methyl 9-trans-12-trans-octadecadienoate; Methyl (E, E)-9,12-octadecadienoate; trans-9,12-Octadecadienoic acid, methyl ester; methyl (9E,12E)-octadeca-9,12-dienoate
- Information on this page:
- Other data available:
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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 |
|---|---|---|---|---|---|
| ΔfH°liquid | -147.47 | kcal/mol | Chyd | Rogers and Siddiqui, 1975 |
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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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
2 +
=
By formula: 2H2 + C19H34O2 = C19H38O2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -55.70 ± 0.13 | kcal/mol | Chyd | Rogers and Siddiqui, 1975 | liquid phase; solvent: n-Hexane |
Gas Chromatography
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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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Van Den Dool and Kratz RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Supelcowax-10 | 2405. | Chung, Fung, et al., 2005 | 60. m/0.25 mm/0.25 μm, 35. C @ 5. min, 6. K/min, 195. C @ 60. min |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5 MS | 1980. | Xu, Han, et al., 2012 | 30. m/0.25 mm/0.25 μm, 60. C @ 2. min, 15. K/min, 300. C @ 10. min |
| Capillary | HP-5 MS | 1980. | Xu, Han, et al., 2009 | 30. m/0.25 mm/0.25 μm, Helium, 60. C @ 2. min, 15. K/min, 300. C @ 10. min |
References
Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, Gas Chromatography, 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]
Chung, Fung, et al., 2005
Chung, H.Y.; Fung, P.K.; Kim, J.-S.,
Aroma impact components in commercial plain sufu,
J. Agric. Food Chem., 2005, 53, 5, 1684-1691, https://doi.org/10.1021/jf048617d
. [all data]
Xu, Han, et al., 2012
Xu, L.-L.; Han, T.; Wu, J.-Z.; Zhang, Q.-Y.; Zhang, H.; Huang, B.-K.; Rahman, K.,
Comparative research of chemical constituents, antifungal and antitumor properties of ether extracts of Panax ginseng and its endophytic fungus, 2012, retrieved from http://www.thefreelibrary.com/Comparative .... [all data]
Xu, Han, et al., 2009
Xu, L.-L.; Han, T.; Wu, J.-Z.; Zhang, Q.-Y.; Zhang, H.; Huang, B.-K.; Rahman, K.,
Comparative research of chemical constituents, antifungal and antitumor properties of ether extracts of Panax ginseng and its endophytic fungus,
Phytomedicine: Int. J. Phytotherapy Phytopharmacology, 2009, 16, 6-7, 609-616, https://doi.org/10.1016/j.phymed.2009.03.014
. [all data]
Notes
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- Symbols used in this document:
ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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