5,8,11,14,17-Eicosapentaenoic acid, methyl ester, (all-Z)-
- Formula: C21H32O2
- Molecular weight: 316.4776
- IUPAC Standard InChI: InChI=1S/C21H32O2/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21(22)23-2/h4-5,7-8,10-11,13-14,16-17H,3,6,9,12,15,18-20H2,1-2H3/b5-4-,8-7-,11-10-,14-13-,17-16-
- IUPAC Standard InChIKey: QWDCYFDDFPWISL-JEBPEJKESA-N
- CAS Registry Number: 2734-47-6
- Chemical structure:
This structure is also available as a 2d Mol file - Stereoisomers:
- Other names: cis-5,8,11,14,17-Eicosapentaenoic acid, methyl ester; Methyl Z,Z,Z,Z,Z 5,8,11,14,17-eicosapentaeneoate
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Phase change 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: William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔvapH° | 121.0 ± 0.3 | kJ/mol | CGC | Lipkind, Kapustin, et al., 2007 |
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, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | VF-5MS | 2282.3 | Tret'yakov, 2007 | 30. m/0.25 mm/0.25 μm, He; Program: Multi-step temperature program; T(initial)=60C; T(final)=270C |
References
Go To: Top, Phase change data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Lipkind, Kapustin, et al., 2007
Lipkind, Dmitry; Kapustin, Yaroslav; Umnahanant, Patamaporn; Chickos, James S.,
The vaporization enthalpies and vapor pressures of a series of unsaturated fatty acid methyl esters by correlation gas chromatography,
Thermochimica Acta, 2007, 456, 2, 94-101, https://doi.org/10.1016/j.tca.2007.02.008
. [all data]
Tret'yakov, 2007
Tret'yakov, K.V.,
Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2007. [all data]
Notes
Go To: Top, Phase change data, Gas Chromatography, References
- Symbols used in this document:
ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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