Eicosanoic acid, methyl ester
- Formula: C21H42O2
- Molecular weight: 326.5570
- IUPAC Standard InChI: InChI=1S/C21H42O2/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21(22)23-2/h3-20H2,1-2H3
- IUPAC Standard InChIKey: QGBRLVONZXHAKJ-UHFFFAOYSA-N
- CAS Registry Number: 1120-28-1
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Methyl arachisate; Methyl eicosanoate; Arachidic acid methyl ester; Kemester 2050; Methyl aracidate; Methyl eicosenate; Methyl arachidate; methyl icosanoate
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Normal alkane RI, non-polar column, temperature ramp
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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
| Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
|---|---|---|---|---|---|
| Active phase | RTx-1 | HP-5 MS | DB-1 | DB-5 | Ultra-1 |
| Column length (m) | 60. | 30. | 30. | 30. | 25. |
| Carrier gas | Helium | Helium | He | N2 | He |
| Substrate | |||||
| Column diameter (mm) | 0.22 | 0.25 | 0.25 | 0.25 | 0.32 |
| Phase thickness (μm) | 0.25 | 0.25 | 0.215 | 0.25 | |
| Tstart (C) | 60. | 150. | 70. | 50. | 80. |
| Tend (C) | 230. | 280. | 300. | 300. | 260. |
| Heat rate (K/min) | 2. | 5. | 3. | 6. | 3. |
| Initial hold (min) | 5. | 4. | |||
| Final hold (min) | 35. | 10. | 20. | ||
| I | 2311. | 2335. | 2305. | 2333. | 2309. |
| Reference | Dib, Bendahou, et al., 2010 | Vedernikov and Roschin, 2010 | Guy and Vernin, 1996 | Wang, Jin, et al., 1992 | Okumura, 1991 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
| Column type | Packed |
|---|---|
| Active phase | SE-30 |
| Column length (m) | 3.7 |
| Carrier gas | |
| Substrate | Gas Chrom P |
| Column diameter (mm) | |
| Phase thickness (μm) | |
| Tstart (C) | 145. |
| Tend (C) | |
| Heat rate (K/min) | 2. |
| Initial hold (min) | |
| Final hold (min) | |
| I | 2313. |
| Reference | Horning, Casparrini, et al., 1969 |
| Comment | MSDC-RI |
References
Go To: Top, Normal alkane RI, non-polar column, temperature ramp, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Dib, Bendahou, et al., 2010
Dib, M.A.; Bendahou, M.; Bendiabdellah, A.; Djabou, N.; Allali, H.; Tabti, B.; Paolini, J.; Costa, J.,
Partial chemical composition and antimicrobial activity of Daucus crinitus Desf. extracts,
Grasas y Aceites, 2010, 61, 3, 271-278, https://doi.org/10.3989/gya.122609
. [all data]
Vedernikov and Roschin, 2010
Vedernikov, D.N.; Roschin, V.I.,
Extractive compounds of Birch Buds (Betula pendula Roth.): I. Composition of fatty acids, hydrocarbons , and esters,
Rus. J. Bioorg. Chem., 2010, 36, 7, 894-898, https://doi.org/10.1134/S1068162010070174
. [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]
Wang, Jin, et al., 1992
Wang, X.; Jin, Z.; Xu, X.,
Analysis of fatty acids in bacteria by using gas chromatographic retention indices,
Chin. J. Chromatogr., 1992, 10, 2, 92-94. [all data]
Okumura, 1991
Okumura, T.,
retention indices of environmental chemicals on methyl silicone capillary column,
Journal of Environmental Chemistry (Japan), 1991, 1, 2, 333-358, https://doi.org/10.5985/jec.1.333
. [all data]
Horning, Casparrini, et al., 1969
Horning, M.G.; Casparrini, G.; Horning, E.C.,
The use of gas phase analytical methods for the analysis of phospholipids,
J. Chromatogr. Sci., 1969, 7, 5, 267-275, https://doi.org/10.1093/chromsci/7.5.267
. [all data]
Notes
Go To: Top, Normal alkane RI, non-polar column, temperature ramp, References
- Symbols used in this document:
Tend Final temperature Tstart Initial temperature - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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