9,12-Octadecadienoic acid, methyl ester
- 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
- IUPAC Standard InChIKey: WTTJVINHCBCLGX-UHFFFAOYSA-N
- CAS Registry Number: 2462-85-3
- Chemical structure:
This structure is also available as a 2d Mol file - Stereoisomers:
- Other names: 9,12-Octadecenoic acid, methyl ester; Methyl octadeca-9,12-dienoate; Methyl 9,12-octadecadienoate; 9,12-Octadecadienoic acid; Octadeca-9,12-dienoic acid
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Mass spectrum (electron ionization)
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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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| Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
|---|---|
| Origin | Chemical Concepts |
| NIST MS number | 158479 |
Gas Chromatography
Go To: Top, Mass spectrum (electron ionization), 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
Kovats' RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Packed | SE-30 | 200. | 2077. | Golovnya and Kuzmenko, 1977 | He, Chromosorb W (80-100 mesh); Column length: 1.5 m |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-1 | 2069. | Johnson, Urso, et al., 1997 | 30. m/0.2 mm/0.25 μm, 50. C @ 2. min, 5. K/min, 300. C @ 5. min |
Van Den Dool and Kratz RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Innowax | 2478. | 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 | HP-5MS | 2101. | Cho, Abd El-Aty, et al., 2007 | 30. m/0.25 mm/0.25 μm, He, 50. C @ 4. min, 5. K/min, 280. C @ 10. min |
| Capillary | HP-5MS | 2101. | Kim, Abd El-Aty, et al., 2006 | 30. m/0.25 mm/0.25 μm, He, 50. C @ 4. min, 5. K/min, 280. C @ 10. min |
| Capillary | HP-5MS | 2101. | Kim, El-Aty, et al., 2006 | 30. m/0.25 mm/0.25 μm, He, 50. C @ 4. min, 5. K/min, 280. C @ 10. min |
| Capillary | HP-5MS | 2075. | Tzakou, Said, et al., 2006 | 30. m/0.25 mm/0.25 μm, He, 3. K/min; Tstart: 60. C; Tend: 280. C |
| Capillary | DB-5 | 2094. | Senatore, Apostolides Arnold, et al., 2005 | 30. m/0.25 mm/0.25 μm, He, 40. C @ 5. min, 2. K/min, 260. C @ 20. min |
| Capillary | HP-5MS | 2092. | Tesevic, Nikicevic, et al., 2005 | 30. m/0.25 mm/0.25 μm, He, 4.3 K/min; Tstart: 60. C; Tend: 285. C |
| Capillary | DB-5 | 2075. | 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 | SE-54 | 2147. | Ding, Deng, et al., 1998 | 35. C @ 3. min, 4. K/min; Column length: 25. m; Column diameter: 0.31 mm; Tend: 250. C |
| Capillary | HP-1 | 2077. | 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 | 2077. | Boatright and Crum, 1997 | 30. m/0.25 mm/0.1 μm, He, 50. C @ 2. min, 5. K/min, 300. C @ 3. min |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5 MS | 2064. | Sharififar, Mozaffarian, et al., 2007 | 30. m/0.25 mm/0.25 μm, Helium; Program: not specified |
| Capillary | HP-5MS | 2111. | Ansorena, Gimeno, et al., 2001 | 30. m/0.25 mm/0.25 μm, He; Program: 40C (10min) => 3C/min => 120C => 10C/min => 250C (5min) |
| Capillary | HP-5 | 2101. | Ansorena, Astiasarán, et al., 2000 | 30. m/0.25 mm/0.25 μm, He; Program: 40C (10min) => 3C/min => 120C => 10C/min => 250C (5min) |
| Capillary | HP-5 | 2113. | 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 | 2472. | 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 |
Lee's RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-1 | 356.3 | Johnson, Urso, et al., 1997 | 30. m/0.2 mm/0.25 μm, 50. C @ 2. min, 5. K/min, 300. C @ 5. min |
References
Go To: Top, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Golovnya and Kuzmenko, 1977
Golovnya, R.V.; Kuzmenko, T.E.,
Thermodynamic evaluation of the interaction of fatty acid methyl esters with polar and non-polar stationary phases, based on their retention indices,
Chromatographia, 1977, 10, 9, 545-548, https://doi.org/10.1007/BF02262915
. [all data]
Johnson, Urso, et al., 1997
Johnson, C.I.; Urso, A.; Geleta, L.,
Broad spectrum analysis of municipal and industrial effluents discharged into the Peace, Athabasca and Slave river basins: characterization of effluent samples, 1994 - Volume 1 of 2, Northern River Basins Study Project Report No. 121, Norther River Basins Study, Edmonton, Alberta, 1997, 27. [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]
Cho, Abd El-Aty, et al., 2007
Cho, S.-K.; Abd El-Aty, A.M.; Choi, J.-H.; Kim, M.R.; Shim, J.H.,
Optimized conditions for the extraction of secondary volatile metabolites in Angelica roots by accelerated solvent extraction,
J. Pharm. Biomed. Anal., 2007, 44, 5, 1154-1158, https://doi.org/10.1016/j.jpba.2007.03.011
. [all data]
Kim, Abd El-Aty, et al., 2006
Kim, M.R.; Abd El-Aty, A.M.; Kim, I.S.; Shim, J.H.,
Determination of volatile flavor components in danggui cultivars by solvent free injection and hydrodistillation followed by gas chromatographic-mass spectrometric analysis,
J. Chromatogr. A, 2006, 1116, 1-2, 259-264, https://doi.org/10.1016/j.chroma.2006.03.060
. [all data]
Kim, El-Aty, et al., 2006
Kim, M.R.; El-Aty, A.M.A.; Choi, J.-H.; Lee, K.B.; Shim, J.H.,
Identification of volatile components in Angelica species using supercritical-CO2 fluid extraction and solid phase microextraction coupled to gas chromatography-mass spectrometry,
Biomedical Chromatography, 2006, 20, 11, 1267-1273, https://doi.org/10.1002/bmc.696
. [all data]
Tzakou, Said, et al., 2006
Tzakou, O.; Said, A.; Farag, A.; Rashed, K.,
Volatile constituents of Ailanthus excelsa Roxb.,
Flavour Fragr. J., 2006, 21, 6, 899-901, https://doi.org/10.1002/ffj.1739
. [all data]
Senatore, Apostolides Arnold, et al., 2005
Senatore, F.; Apostolides Arnold, N.; Bruno, M.,
Volatile components of Centaurea eryngioides Lam. and Centaurea liberica Trev. var. hermonis Boiss. Lam., two Asteraceae growing wild in Lebanon,
Nat. Prod. Res., 2005, 19, 8, 749-754, https://doi.org/10.1080/14786410412331302136
. [all data]
Tesevic, Nikicevic, et al., 2005
Tesevic, V.; Nikicevic, N.; Jovanovic, A.; Djokovic, D.; Vujisic, L.; Vuckovic, I.; Bonic, M.,
Volatile components from old plum brandies,
Food Technol. Biotechnol., 2005, 43, 4, 367-372. [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]
Ding, Deng, et al., 1998
Ding, Q.; Deng, Y.; Sun, Y.; Huagn, A.; Sun, Y.,
Analysis of volatile components in ox feces by capillary gas chromatography,
Beijing Daxue Xuebao Ziran Kexueban, 1998, 34, 6, 720-725. [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]
Sharififar, Mozaffarian, et al., 2007
Sharififar, F.; Mozaffarian, V.; Moradkhani, S.,
Comparison of antioxidant and free radical scavenging activities of the essential oils from flowers and fruits of Otostegia persica Boiss.,
Pakistan J. Biol. Sci., 2007, 10, 21, 3895-3899, https://doi.org/10.3923/pjbs.2007.3895.3899
. [all data]
Ansorena, Gimeno, et al., 2001
Ansorena, D.; Gimeno, O.; Astiasarán, I.; Bello, J.,
Analysis of volatile compounds by GC-MS of a dry fermented sausage: chorizo de Pamplona,
Food Res. Int., 2001, 34, 1, 67-75, https://doi.org/10.1016/S0963-9969(00)00133-2
. [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, Mass spectrum (electron ionization), Gas Chromatography, References
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