Hexadecanoic acid, methyl ester
- Formula: C17H34O2
- Molecular weight: 270.4507
- IUPAC Standard InChIKey: FLIACVVOZYBSBS-UHFFFAOYSA-N
- CAS Registry Number: 112-39-0
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Palmitic acid, methyl ester; n-Hexadecanoic acid methyl ester; Metholene 2216; Methyl hexadecanoate; Methyl n-hexadecanoate; Methyl palmitate; Uniphat A60; Emery 2216; Radia 7120; Acide hexadecanoique methyl ester
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Phase change data
Go To: Top, IR Spectrum, 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 304. | K | N/A | Chickos, Braton, et al., 1991 | Uncertainty assigned by TRC = 1. K; TRC |
Tfus | 303.05 | K | N/A | Gaikwad and Subrahmanyam, 1985 | Uncertainty assigned by TRC = 0.35 K; TRC |
Tfus | 302.74 | K | N/A | Wirth, Droege, et al., 1956 | Uncertainty assigned by TRC = 0.1 K; TRC |
Tfus | 302. | K | N/A | Whitmore, Sutherland, et al., 1942 | Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 23.1 ± 0.1 | kcal/mol | N/A | van Genderen, van Miltenburg, et al., 2002 | AC |
ΔvapH° | 23.0 | kcal/mol | GC | Krop, Velzen, et al., 1997 | Based on data from 463. to 523. K.; AC |
ΔvapH° | 22.3 | kcal/mol | CGC | Chickos, Hosseini, et al., 1995 | Based on data from 433. to 473. K.; AC |
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference | Comment |
---|---|---|---|
436.7 | 0.005 | Aldrich Chemical Company Inc., 1990 | BS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
22.3 | 350. | N/A | van Genderen, van Miltenburg, et al., 2002 | AC |
19.9 ± 0.1 | 397. | N/A | van Genderen, van Miltenburg, et al., 2002 | AC |
18.7 | 498. | GC | Husain, Sarma, et al., 1993 | Based on data from 453. to 543. K.; AC |
19.7 | 426. | A | Stephenson and Malanowski, 1987 | Based on data from 411. to 543. K. See also Rose and Schrodt, 1963.; AC |
19.7 | 393. | MG,OM | Scott, Macmillan, et al., 1952 | Based on data from 378. to 445. K.; AC |
17.1 | 437. | N/A | Bonhorst, Althouse, et al., 1948 | Based on data from 422. to 475. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
421.7 to 475.4 | 6.24091 | 3709.672 | -1.062 | Bonhorst, Althouse, et al., 1948 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
36.4 ± 0.5 | 296. | ME | Davies and Kybett, 1965 | Based on data from 291. to 301. K. See also Stephenson and Malanowski, 1987.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
3.5782 | 302.2 | King and Garner, 1936 | DH |
13.4 | 305.2 | Nikolic, Marinovic-Cincovic, et al., 2003 | See also Chickos, Zhao, et al., 2004.; AC |
16.29 | 307.2 | Acree, 1993 | AC |
IR Spectrum
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: Coblentz Society, Inc.
Spectrum
A digitized version of this spectrum is not currently available.
Additional Data
View scan of original (hardcopy) spectrum.
Owner | COBLENTZ SOCIETY Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Source reference | COBLENTZ NO. 7503 |
Date | Not specified, most likely prior to 1970 |
Instrument | Not specified, most likely a prism, grating, or hybrid spectrometer. |
Data processing | (NO SPECTRUM, ONLY SCANNED IMAGE IS AVAILABLE) |
Mass spectrum (electron ionization)
Go To: Top, Phase change data, IR Spectrum, 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
View image of digitized spectrum (can be printed in landscape orientation).
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 | NIST Mass Spectrometry Data Center |
NIST MS number | 333716 |
References
Go To: Top, Phase change data, IR Spectrum, 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.
Chickos, Braton, et al., 1991
Chickos, J.S.; Braton, C.M.; Hesse, D.G.; Liebman, J.F.,
Estimating entropies and enthalpies of fusion of organic compounds,
J. Org. Chem., 1991, 56, 3, 927, https://doi.org/10.1021/jo00003a007
. [all data]
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]
Wirth, Droege, et al., 1956
Wirth, H.E.; Droege, J.W.; Wood, J.H.,
Low Temperature Heat Capacity of Palmitic Acid and Methyl Palmitate,
J. Phys. Chem., 1956, 60, 917. [all data]
Whitmore, Sutherland, et al., 1942
Whitmore, F.C.; Sutherland, L.H.; Cosby, J.N.,
Higher Hydrocarbons. I. Seven Alkyl Substituted Docosanes.,
J. Am. Chem. Soc., 1942, 64, 1360. [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]
Krop, Velzen, et al., 1997
Krop, Hildo B.; Velzen, Martin J.M.v.; Parsons, John R.; Govers, Harrie A.J.,
Determination of environmentally relevant physical-chemical properties of some fatty acid esters,
J Amer Oil Chem Soc, 1997, 74, 3, 309-315, https://doi.org/10.1007/s11746-997-0142-9
. [all data]
Chickos, Hosseini, et al., 1995
Chickos, James S.; Hosseini, Sarah; Hesse, Donald G.,
Determination of vaporization enthalpies of simple organic molecules by correlations of changes in gas chromatographic net retention times,
Thermochimica Acta, 1995, 249, 41-62, https://doi.org/10.1016/0040-6031(95)90670-3
. [all data]
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Husain, Sarma, et al., 1993
Husain, Sajid; Sarma, P. Nageswara; Swamy, G.Y.S.K.; Devi, K. Sita,
Determination of physicochemical properties of some fatty acid methyl esters by gas liquid chromatography,
J Am Oil Chem Soc, 1993, 70, 2, 149-155, https://doi.org/10.1007/BF02542618
. [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]
Scott, Macmillan, et al., 1952
Scott, T.A., Jr.; Macmillan, D.; Melvin, E.H.,
Vapor pressures and distillation of methyl esters of some fatty acids,
Ind. Eng. Chem., 1952, 44, 172-175. [all data]
Bonhorst, Althouse, et al., 1948
Bonhorst, Carl W.; Althouse, Paul M.; Triebold, Howard O.,
Esters of Naturally Occurring Fatty Acids - Physical Properties of Methyl, Propyl, and Isopropyl Esters of C 6 to C 18 Saturated Fatty Acids,
Ind. Eng. Chem., 1948, 40, 12, 2379-2384, https://doi.org/10.1021/ie50468a031
. [all data]
Davies and Kybett, 1965
Davies, M.; Kybett, B.,
Sublimation and vaporization heats of long-chain alcohols,
Trans. Faraday Soc., 1965, 61, 1608. [all data]
King and Garner, 1936
King, A.M.; Garner, W.E.,
The heats of crystallization of methyl and ethyl esters of monobasic fatty acids, 1936, J. [all data]
Nikolic, Marinovic-Cincovic, et al., 2003
Nikolic, R.; Marinovic-Cincovic, M.; Gadzuric, S.; Zsigrai, I.J.,
New materials for solar thermal storage---solid/liquid transitions in fatty acid esters,
Solar Energy Materials and Solar Cells, 2003, 79, 3, 285-292, https://doi.org/10.1016/S0927-0248(02)00412-9
. [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]
Acree, 1993
Acree, William E.,
Thermodynamic properties of organic compounds,
Thermochimica Acta, 1993, 219, 97-104, https://doi.org/10.1016/0040-6031(93)80486-T
. [all data]
Notes
Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔfusH Enthalpy of fusion ΔsubH Enthalpy of sublimation 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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