Octacosanoic acid, methyl ester
- Formula: C29H58O2
- Molecular weight: 438.7696
- IUPAC Standard InChIKey: ZKHOYAKAFALNQD-UHFFFAOYSA-N
- CAS Registry Number: 55682-92-3
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Methyl octacosanoate; Montanic acid, methyl ester
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Phase change data
Go To: Top, 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: William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔvapH° | 157.5 ± 4.5 | kJ/mol | CGC | Chickos, Zhao, et al., 2004 | Based on data from 467. to 558. K. |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Method | Reference |
---|---|---|---|
109.7 | 340.2 | DSC | Chickos, Zhao, et al., 2004 |
Gas Chromatography
Go To: Top, Phase change data, 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 | DB-1 | 3115. | Johnson, Urso, et al., 1997 | 30. m/0.2 mm/0.25 μm, 50. C @ 2. min, 5. K/min, 300. C @ 5. min |
Capillary | OV-1 | 3125. | Tan, Holland, et al., 1988 | He, 8. K/min, 280. C @ 10. min; Column length: 25. m; Column diameter: 0.32 mm; Tstart: 40. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5MS | 3140.7 | 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) |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5 MS | 3144. | Vedernikov and Roschin, 2010 | 30. m/0.25 mm/0.25 μm, Helium, 5. K/min, 280. C @ 10. min; Tstart: 150. C |
Capillary | DB-1MS | 3116.12 | Stransky, Zarevucka, et al., 2006 | 30. m/0.252 mm/0.25 μm, H2, 1. K/min; Tstart: 240. C; Tend: 340. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5 MS | 3112. | Vedernikov and Roschin, 2010 | 30. m/0.25 mm/0.25 μm, Helium; Program: not specified |
Capillary | HP-1 | 3108. | Rowland, Blackman, et al., 1995 | 25. m/0.25 mm/0.25 μm; Program: 30 0C (4 min) 6 K/min -> 200 0C 15 K/min -> 250 0C (20 min) |
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.
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]
Johnson, Urso, et al., 1997
Johnson, C.I.; Urso, A.; Geleta, L.,
Broad spectrum analysis of municipal and industrial effluents discharged into the Peace, Athabasca and Slave river basins: characterization of effluent samples, 1994 - Volume 1 of 2, Northern River Basins Study Project Report No. 121, Norther River Basins Study, Edmonton, Alberta, 1997, 27. [all data]
Tan, Holland, et al., 1988
Tan, S.-T.; Holland, P.T.; Wilkins, A.L.; Molan, P.C.,
Extractives from New Zealand honeys. 1. White clovers, manuka, and kanuka unifloral honeys,
J. Agric. Food Chem., 1988, 36, 3, 453-460, https://doi.org/10.1021/jf00081a012
. [all data]
Andriamaharavo, 2014
Andriamaharavo, N.R.,
Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [all data]
Vedernikov and Roschin, 2010
Vedernikov, D.N.; Roschin, V.I.,
Extractive compounds of Birch Buds (Betula pendula Roth.): I. Composition of fatty acids, hydrocarbons , and esters,
Rus. J. Bioorg. Chem., 2010, 36, 7, 894-898, https://doi.org/10.1134/S1068162010070174
. [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]
Rowland, Blackman, et al., 1995
Rowland, C.Y.; Blackman, A.J.; D'Arcy, B.R.; Rintoul, G.B.,
Comparison of organic extractives found in leatherwood (Eucryphia lucida) honey and leatherwood flowers and leaves,
J. Agric. Food Chem., 1995, 43, 3, 753-763, https://doi.org/10.1021/jf00051a036
. [all data]
Notes
Go To: Top, Phase change data, Gas Chromatography, References
- Symbols used in this document:
ΔfusH Enthalpy of fusion ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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