Eicosanoic acid, ethyl ester
- Formula: C22H44O2
- Molecular weight: 340.5836
- IUPAC Standard InChI: InChI=1S/C22H44O2/c1-3-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22(23)24-4-2/h3-21H2,1-2H3
- IUPAC Standard InChIKey: YBKSMWBLSBAFBQ-UHFFFAOYSA-N
- CAS Registry Number: 18281-05-5
- 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: Ethyl icosanoate; Ethyl arachidate; Ethyl eicosanoate; Arachidic acid, ethyl ester
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Condensed phase thermochemistry data
Go To: Top, IR Spectrum, Mass spectrum (electron ionization), 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°solid | -3321.0 ± 0.3 | kcal/mol | Ccb | Freedman, Bagby, et al., 1989 | Corresponding ΔfHºsolid = -251.1 kcal/mol (simple calculation by NIST; no Washburn corrections) |
IR Spectrum
Go To: Top, Condensed phase thermochemistry data, Mass spectrum (electron ionization), 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
Gas Phase Spectrum
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Additional Data
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| Owner | NIST Standard Reference Data Program Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
|---|---|
| Origin | Sadtler Research Labs Under US-EPA Contract |
| State | gas |
Mass spectrum (electron ionization)
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, 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
View image of digitized spectrum (can be printed in landscape orientation).
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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 | NIST Mass Spectrometry Data Center |
| NIST MS number | 412974 |
Gas Chromatography
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, 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 |
|---|---|---|---|---|---|
| Capillary | SE-30 | 200. | 2378. | Korhonen, 1985 | N2; Column length: 25. m; Column diameter: 0.33 mm |
| Capillary | SE-30 | 220. | 2383. | Korhonen, 1985 | N2; Column length: 25. m; Column diameter: 0.33 mm |
Kovats' RI, polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | OV-351 | 140. | 2649. | Korhonen, 1985 | N2; Column length: 25. m; Column diameter: 0.32 mm |
| Capillary | OV-351 | 160. | 2649. | Korhonen, 1985 | N2; Column length: 25. m; Column diameter: 0.32 mm |
| Capillary | OV-351 | 180. | 2662. | Korhonen, 1985 | N2; Column length: 25. m; Column diameter: 0.32 mm |
| Capillary | OV-351 | 200. | 2660. | Korhonen, 1985 | N2; Column length: 25. m; Column diameter: 0.32 mm |
| Capillary | OV-351 | 220. | 2664. | Korhonen, 1985 | N2; Column length: 25. m; Column diameter: 0.32 mm |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | SE-30 | 2379. | Korhonen, 1985 | N2, 6. K/min; Column length: 25. m; Column diameter: 0.33 mm; Tstart: 100. C; Tend: 320. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5MS | 2394.2 | Andriamaharavo, 2014 | 30. m/0.25 mm/0.25 μm, He; Program: 60C (1 min) => 5 C/min => 210C => 10 C/min => 280C (15 min) |
| Capillary | HP-5 | 2400. | Isidorov, Krajewska, et al., 2001 | 30. m/0.25 mm/0.25 μm, He; Program: 50C => 6C/min => 100C => 4C/min => 280C |
Van Den Dool and Kratz RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | OV-351 | 2657. | Korhonen, 1985 | N2, 6. K/min; Column length: 25. m; Column diameter: 0.32 mm; Tstart: 100. C; Tend: 230. C |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Ultra-1 | 2373. | Okumura, 1991 | 25. m/0.32 mm/0.25 μm, He, 3. K/min; Tstart: 80. C; Tend: 260. C |
Normal alkane RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-Innowax FSC | 2670. | Erdemoglu, Sener, et al., 2003 | 60. m/0.25 mm/0.25 μm, He; Program: 60C(10min) => 4C/min => 220C(10min) => 1C/min => 240C |
References
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, 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.
Freedman, Bagby, et al., 1989
Freedman, B.; Bagby, M.O.; Khoury, H.,
Correlation of heats of combustion with empirical formulas for fatty alcohols,
J. Am. Oil Chem. Soc., 1989, 66, 595-596. [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]
Andriamaharavo, 2014
Andriamaharavo, N.R.,
Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [all data]
Isidorov, Krajewska, et al., 2001
Isidorov, V.A.; Krajewska, U.; Dubis, E.N.; Jdanova, M.A.,
Partition coefficients of alkyl aromatic hydrocarbons and esters in a hexane-acetonitrile system,
J. Chromatogr. A, 2001, 923, 1-2, 127-136, https://doi.org/10.1016/S0021-9673(01)00929-3
. [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]
Erdemoglu, Sener, et al., 2003
Erdemoglu, N.; Sener, B.; Demirci, B.; Baser, K.H.C.,
The glycosidically bound volatile compounds of Taxus baccata,
Chem. Nat. Compd. (Engl. Transl.), 2003, 39, 2, 195-198, https://doi.org/10.1023/A:1024870031960
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
ΔcH°solid Enthalpy of combustion of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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