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
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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 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)
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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
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
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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, 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
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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
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- 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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