9-Octadecenoic acid, methyl ester
- Formula: C19H36O2
- Molecular weight: 296.4879
- IUPAC Standard InChI: InChI=1S/C19H36O2/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19(20)21-2/h10-11H,3-9,12-18H2,1-2H3/b11-10+
- IUPAC Standard InChIKey: QYDYPVFESGNLHU-ZHACJKMWSA-N
- CAS Registry Number: 2462-84-2
- 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. - Species with the same structure:
- Stereoisomers:
- Other names: Methyl 9-octadecenoate; 18:1n-9 methyl ester; Methyl octadec-9-enoate
- Information on this page:
- Other data available:
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Condensed phase thermochemistry data
Go To: Top, Gas Chromatography, 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 |
|---|---|---|---|---|---|
| ΔcH°liquid | -2832.6 | kcal/mol | Ccb | Keffler and McLean, 1935 | Corresponding ΔfHºliquid = -184.0 kcal/mol (simple calculation by NIST; no Washburn corrections) |
Gas Chromatography
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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Van Den Dool and Kratz RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Innowax | 2466. | Larráyoz, Addis, et al., 2001 | 60. m/0.22 mm/0.25 μm, He; Program: 35C (1min) => 3C/min => 170C => 4C/min => 200C (20min) |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-5 | 2082. | Wu, Krings, et al., 2005 | 30. m/0.32 mm/0.25 μm, He, 40. C @ 2. min, 5. K/min, 250. C @ 10. min |
| Capillary | HP-1 | 2087. | Boatright and Crum, 1997 | 30. m/0.25 mm/0.1 μm, He, 50. C @ 2. min, 5. K/min, 300. C @ 3. min |
| Capillary | HP-1 | 2087. | Boatright and Crum, 1997 | 30. m/0.25 mm/0.1 μm, He, 50. C @ 2. min, 5. K/min, 300. C @ 3. min |
| Capillary | DB-1 | 2075. | Guy and Vernin, 1996 | He, 70. C @ 5. min, 3. K/min; Column length: 30. m; Column diameter: 0.25 mm; Tend: 300. C |
| Capillary | OV-101 | 2101. | Pinkston, Spiteller, et al., 1981 | H2, 80. C @ 7. min, 2. K/min; Column length: 30. m; Column diameter: 0.3 mm; Tend: 275. C |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5 | 2107. | Ansorena, Astiasarán, et al., 2000 | 30. m/0.25 mm/0.25 μm, He; Program: 40C (10min) => 3C/min => 120C => 10C/min => 250C (5min) |
Normal alkane RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | ZB-Wax | 2424. | Wu, Krings, et al., 2005 | 30. m/0.32 mm/0.25 μm, He, 40. C @ 2. min, 5. K/min, 250. C @ 10. min |
References
Go To: Top, Condensed phase 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.
Keffler and McLean, 1935
Keffler, L.; McLean, J.H.,
Homology in long-chain compounds, I. Oleic acid and the n-alkul oleates,
J. Soc. Chem. Ind., 1935, 178-185. [all data]
Larráyoz, Addis, et al., 2001
Larráyoz, P.; Addis, M.; Gauch, R.; Bosset, J.O.,
Comparison of dynamic headspace and simultaneous distillation extraction techniques used for the analysis of the volatile components in three European PDO ewes milk cheeses,
Int. Dairy J., 2001, 11, 11-12, 911-926, https://doi.org/10.1016/S0958-6946(01)00144-3
. [all data]
Wu, Krings, et al., 2005
Wu, S.; Krings, U.; Zorn, H.; Berger, R.G.,
Volatile compounds from the fruiting bodies of beefsteak fungus Fistulina hepatica (Schaeffer: Fr.) Fr.,
Food Chem., 2005, 92, 2, 221-226, https://doi.org/10.1016/j.foodchem.2004.07.013
. [all data]
Boatright and Crum, 1997
Boatright, W.L.; Crum, A.D.,
Nonpolar-volatile lipids from soy protein isolates and hexane-defatted flakes,
J. Amer. Oil Chem. Soc., 1997, 74, 4, 461-467, https://doi.org/10.1007/s11746-997-0107-z
. [all data]
Guy and Vernin, 1996
Guy, I.; Vernin, G.,
Minor compounds from Cistus ladaniferus L. essential oil from esterel. 2. Acids and phenols,
J. Essent. Oil Res., 1996, 8, 4, 455-462, https://doi.org/10.1080/10412905.1996.9700666
. [all data]
Pinkston, Spiteller, et al., 1981
Pinkston, D.; Spiteller, G.; von Henning, H.; Matthaei, D.,
High-resolution gas chromatography-mass spectrometry of the methyl esters of organic acids from uremic hemofiltrates,
J. Chromatogr., 1981, 223, 1, 1-19, https://doi.org/10.1016/S0378-4347(00)80063-8
. [all data]
Ansorena, Astiasarán, et al., 2000
Ansorena, D.; Astiasarán, I.; Bello, J.,
Influence of the simultaneous addition of the protease flavourzyme and the lipase novozyme 677BG on dry fermented sausage compounds extracted by SDE and analyzed by GC-MS,
J. Agric. Food Chem., 2000, 48, 6, 2395-2400, https://doi.org/10.1021/jf990931y
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Gas Chromatography, References
- Symbols used in this document:
ΔcH°liquid Enthalpy of combustion of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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