Octadecanoic acid, ethyl ester
- Formula: C20H40O2
- Molecular weight: 312.5304
- IUPAC Standard InChIKey: MVLVMROFTAUDAG-UHFFFAOYSA-N
- CAS Registry Number: 111-61-5
- 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. - Other names: Stearic acid, ethyl ester; Ethyl n-octadecanoate; Ethyl octadecanoate; Ethyl stearate; Radia 7185; Ethyl ocatadecanoate; Ethyl octadecanoate (Ethyl stearate)
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Van Den Dool and Kratz RI, non-polar column, temperature ramp
Go To: Top, 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
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | HP-5 | HP-5 | HP-5MS | SPB-5 | SPB-5 |
Column length (m) | 30. | 30. | 30. | 30. | 30. |
Carrier gas | He | He | He | He | He |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
Tstart (C) | 50. | 60. | 60. | 60. | 60. |
Tend (C) | 250. | 260. | 250. | 250. | 250. |
Heat rate (K/min) | 4. | 3. | 4. | 4. | 4. |
Initial hold (min) | 4. | 2. | 2. | 2. | |
Final hold (min) | 10. | 20. | 20. | 20. | |
I | 2194. | 2190. | 2193. | 2195. | 2194. |
Reference | Quijano, Salamanca, et al., 2007 | Javidnia, Miri, et al., 2005 | Pino, Mesa, et al., 2005 | Pino, Marbot, et al., 2004 | Pino, Marbot, et al., 2003 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Packed |
---|---|---|---|---|---|
Active phase | CP Sil 5 CB | HP-5MS | OV-1 | SE-30 | SE-30 |
Column length (m) | 50. | 30. | 25. | 25. | |
Carrier gas | He | He | He | N2 | |
Substrate | Celite | ||||
Column diameter (mm) | 0.32 | 0.25 | 0.32 | 0.33 | |
Phase thickness (μm) | 0.4 | 0.25 | |||
Tstart (C) | 60. | 60. | 40. | 100. | 75. |
Tend (C) | 280. | 280. | 280. | 320. | 228. |
Heat rate (K/min) | 3. | 4. | 8. | 6. | |
Initial hold (min) | 10. | 5. | |||
Final hold (min) | 60. | 10. | |||
I | 2181. | 2194. | 2202. | 2177. | 2175. |
Reference | Pino, Marbot, et al., 2001 | Skaltsa, Mavrommati, et al., 2001 | Tan, Holland, et al., 1988 | Korhonen, 1985 | van den Dool and Kratz, 1963 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
References
Go To: Top, Van Den Dool and Kratz 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.
Quijano, Salamanca, et al., 2007
Quijano, C.E.; Salamanca, G.; Pino, J.A.,
Aroma volatile constituents of Colombian varieties of mango (Mangifera indica L.),
Flavour Fragr. J., 2007, 22, 5, 401-406, https://doi.org/10.1002/ffj.1812
. [all data]
Javidnia, Miri, et al., 2005
Javidnia, K.; Miri, R.; Kamalinejad, M.; Edraki, N.,
Chemical composition of Ferula persica Wild. essential oil from Iran,
Flavour Fragr. J., 2005, 20, 6, 605-606, https://doi.org/10.1002/ffj.1496
. [all data]
Pino, Mesa, et al., 2005
Pino, J.A.; Mesa, J.; Muñoz, Y.; Martí, M.P.; Marbot, R.,
Volatile components from mango (Mangifera indica L.) cultivars,
J. Agric. Food Chem., 2005, 53, 6, 2213-2223, https://doi.org/10.1021/jf0402633
. [all data]
Pino, Marbot, et al., 2004
Pino, J.A.; Marbot, R.; Rosado, A.; Vázquez, C.,
Volatile constituents of Malay rose apple [Syzygium malaccense (L.) Merr. Perry],
Flavour Fragr. J., 2004, 19, 1, 32-35, https://doi.org/10.1002/ffj.1269
. [all data]
Pino, Marbot, et al., 2003
Pino, J.; Marbot, R.; Rosado, A.; Vázquez, C.,
Volatile constituents of fruits of Garcinia dulcis Kurz. from Cuba,
Flavour Fragr. J., 2003, 18, 4, 271-274, https://doi.org/10.1002/ffj.1187
. [all data]
Pino, Marbot, et al., 2001
Pino, J.A.; Marbot, R.; Vázquez, C.,
Characterization of volatiles in strawberry guava (Psidium cattleianum Sabine) fruit,
J. Agric. Food Chem., 2001, 49, 12, 5883-5887, https://doi.org/10.1021/jf010414r
. [all data]
Skaltsa, Mavrommati, et al., 2001
Skaltsa, H.D.; Mavrommati, A.; Constantinidis, T.,
A chemotaxonomic investigation of volatile constituents in Stachys subsect. Swainsonianeae (Labiatae),
Phytochemistry, 2001, 57, 2, 235-244, https://doi.org/10.1016/S0031-9422(01)00003-6
. [all data]
Tan, Holland, et al., 1988
Tan, S.-T.; Holland, P.T.; Wilkins, A.L.; Molan, P.C.,
Extractives from New Zealand honeys. 1. White clovers, manuka, and kanuka unifloral honeys,
J. Agric. Food Chem., 1988, 36, 3, 453-460, https://doi.org/10.1021/jf00081a012
. [all data]
Korhonen, 1985
Korhonen, I.O.O.,
Gas-liquid chromatographic analyses. XLIII. Retention increments for 2-chloro-, 2,2-dichloro- and 2,2,2-trichloroethyl esters of aliphatic C2-C20 n-alkanoic acids on SE-30 and OV-351 capillary columns,
J. Chromatogr., 1985, 329, 43-56, https://doi.org/10.1016/S0021-9673(01)81894-X
. [all data]
van den Dool and Kratz, 1963
van den Dool, H.; Kratz, P. Dec.,
A generalization of the retention index system including linear temperature programmed gas-liquid partition chromatography,
J. Chromatogr., 1963, 11, 463-471, https://doi.org/10.1016/S0021-9673(01)80947-X
. [all data]
Notes
Go To: Top, Van Den Dool and Kratz 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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