Heptadecanoic acid, methyl ester
- Formula: C18H36O2
- Molecular weight: 284.4772
- IUPAC Standard InChIKey: HUEBIMLTDXKIPR-UHFFFAOYSA-N
- CAS Registry Number: 1731-92-6
- 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: Margaric acid methyl ester; Methyl heptadecanoate; Methyl margarate; n-Heptadecanoic acid methyl ester; methyl heptadecanoate (17:0); 27:0, Me ester
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Phase change data
Go To: Top, 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 as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 302.25 | K | N/A | Gaikwad and Subrahmanyam, 1985 | Uncertainty assigned by TRC = 0.4 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 24.09 ± 0.24 | kcal/mol | CGC | Chickos, Zhao, et al., 2004 | Based on data from 467. to 558. K.; AC |
ΔvapH° | 23.2 ± 0.29 | kcal/mol | N/A | van Genderen, van Miltenburg, et al., 2002 | AC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
21.3 | 350. | N/A | van Genderen, van Miltenburg, et al., 2002 | AC |
21.3 ± 0.2 | 353. | N/A | van Genderen, van Miltenburg, et al., 2002 | AC |
20.2 | 436. | A,EST | Stephenson and Malanowski, 1987 | Based on data from 421. to 525. K. See also Rose and Schrodt, 1963.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
11.5 | 304.2 | DSC | Chickos, Zhao, et al., 2004 | AC |
Mass spectrum (electron ionization)
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
Spectrum
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Additional Data
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Due to licensing restrictions, this spectrum cannot be downloaded.
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-5983 |
NIST MS number | 227555 |
References
Go To: Top, Phase change data, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Gaikwad and Subrahmanyam, 1985
Gaikwad, B.R.; Subrahmanyam, V.V.,
Melting behavior of fatty alcohols and their binary blends.,
J. Indian Chem. Soc., 1985, 62, 513. [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]
van Genderen, van Miltenburg, et al., 2002
van Genderen, Aad C.G.; van Miltenburg, J. Cees; Blok, Jacobus G.; van Bommel, Mark J.; van Ekeren, Paul J.; van den Berg, Gerrit J.K.; Oonk, Harry A.J.,
Liquid--vapour equilibria of the methyl esters of alkanoic acids: vapour pressures as a function of temperature and standard thermodynamic function changes,
Fluid Phase Equilibria, 2002, 202, 1, 109-120, https://doi.org/10.1016/S0378-3812(02)00097-3
. [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]
Rose and Schrodt, 1963
Rose, Arthur; Schrodt, Verle N.,
Correlation and Prediction of Vapor Pressures of Homologs. Use of Structure Parameters and Gas Chromatography Data.,
J. Chem. Eng. Data, 1963, 8, 1, 9-13, https://doi.org/10.1021/je60016a002
. [all data]
Notes
Go To: Top, Phase change data, Mass spectrum (electron ionization), References
- Symbols used in this document:
Tfus Fusion (melting) point ΔfusH Enthalpy of fusion ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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