Tetracosanoic acid, methyl ester
- Formula: C25H50O2
- Molecular weight: 382.6633
- IUPAC Standard InChI: InChI=1S/C25H50O2/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-25(26)27-2/h3-24H2,1-2H3
- IUPAC Standard InChIKey: XUDJZDNUVZHSKZ-UHFFFAOYSA-N
- CAS Registry Number: 2442-49-1
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Methyl lignocerate; Methyl tetracosanoate; Lignoceric acid methyl ester; 24:0, Me 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:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Reduced pressure boiling point
| Tboil (K) | Pressure (bar) | Reference | Comment |
|---|---|---|---|
| 505.2 | 0.005 | Aldrich Chemical Company Inc., 1990 | BS |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 136.6 ± 2.5 | 467. - 558. | CGC | Chickos, Zhao, et al., 2004 | AC |
| 146.2 | 437. | N/A | Bureau, Jose, et al., 2001 | Based on data from 422. - 452. K.; AC |
| 100.8 | 498. | A | Stephenson and Malanowski, 1987 | Based on data from 483. - 536. K.; AC |
Enthalpy of fusion
| ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 90.0 | 331.2 | DSC | Chickos, Zhao, et al., 2004 | AC |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Chickos, Zhao, et al., 2004
Chickos, James S.; Zhao, Hui; Nichols, Gary,
The vaporization enthalpies and vapor pressures of fatty acid methyl esters C18, C21 to C23, and C25 to C29 by correlation -- gas chromatography,
Thermochimica Acta, 2004, 424, 1-2, 111-121, https://doi.org/10.1016/j.tca.2004.05.020
. [all data]
Bureau, Jose, et al., 2001
Bureau, N.; Jose, J.; Mokbel, I.; de Hemptinne, J-C,
Vapour pressure measurements and prediction for heavy esters,
The Journal of Chemical Thermodynamics, 2001, 33, 11, 1485-1498, https://doi.org/10.1006/jcht.2001.0859
. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point ΔfusH Enthalpy of fusion ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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