Ethyl tetracosanoate
- Formula: C26H52O2
- Molecular weight: 396.6899
- IUPAC Standard InChI: InChI=1S/C26H52O2/c1-3-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-25-26(27)28-4-2/h3-25H2,1-2H3
- IUPAC Standard InChIKey: AKXFYSSXNQQBNT-UHFFFAOYSA-N
- CAS Registry Number: 24634-95-5
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Ethyl tetracosanate; Ethyl lignocerate; Lignoceric acid ethyl ester; Tetracosanoic acid, ethyl ester
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Phase change data
Go To: Top, 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 as indicated in comments:
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Enthalpy of fusion
| ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 22.94 | 327.4 | Domalski and Hearing, 1996 | AC |
Enthalpy of phase transition
| ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 11.203 | 317.65 | crystaline, II, á | crystaline, I, à transition | King and Garner, 1934 | DH |
| 22.938 | 327.35 | crystaline, I, à | liquid, liq transition | King and Garner, 1934 | DH |
Mass spectrum (electron ionization)
Go To: Top, Phase change data, 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 | Japan AIST/NIMC Database- Spectrum MS-NW-2052 |
| NIST MS number | 230927 |
Gas Chromatography
Go To: Top, Phase change data, 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
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | CP Sil 5 CB | 2797. | Heinrich, Pfeifhofer, et al., 2002 | 50. m/0.25 mm/0.15 μm, H2, 40. C @ 3. min, 4. K/min; Tend: 300. C |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-1MS | 2779.13 | Stransky, Zarevucka, et al., 2006 | 30. m/0.252 mm/0.25 μm, H2, 1. K/min; Tstart: 240. C; Tend: 340. C |
References
Go To: Top, Phase change data, 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.
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
King and Garner, 1934
King, A.M.; Garner, W.E.,
The heats of crystallisation of the ethyl esters of the monobasic aliphatic acids, 1934, J. [all data]
Heinrich, Pfeifhofer, et al., 2002
Heinrich, G.; Pfeifhofer, H.W.; Stabentheiner, E.; Sawidis, T.,
Glandular hairs of Sigesbeckia jorullensis Kunth (Asteraceae): morphology, histochemistry and composition of essential oil,
Ann. Bot. Rome, 2002, 89, 4, 459-469, retrieved from http://www.aob.oupjournals.org, https://doi.org/10.1093/aob/mcf062
. [all data]
Stransky, Zarevucka, et al., 2006
Stransky, K.; Zarevucka, M.; Valterova, I.; Wimmer, Z.,
Gas chromatographic retention data of wax esters,
J. Chromatogr. A, 2006, 1128, 1-2, 208-219, https://doi.org/10.1016/j.chroma.2006.06.035
. [all data]
Notes
Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
ΔHtrs Enthalpy of phase transition ΔfusH Enthalpy of fusion - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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