Methyl stearate

• Formula: C₁₉H₃₈O₂
• Molecular weight: 298.5038
• IUPAC Standard InChI: InChI=1S/C19H38O2/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19(20)21-2/h3-18H2,1-2H3 Copy

  
• IUPAC Standard InChIKey: HPEUJPJOZXNMSJ-UHFFFAOYSA-N Copy
• CAS Registry Number: 112-61-8
• 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: Octadecanoic acid, methyl ester; Stearic acid, methyl ester; n-Octadecanoic acid, methyl ester; Kemester 9718; Methyl n-octadecanoate; Methyl octadecanoate; Metholene 2218; Emery 2218; Kemester 9018; Methyl ester of octadecanoic acid; Kemester 4516; NSC 9418; 172226-13-0; 172226-14-1; 218433-32-0; 28:0, Me ester
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • IR Spectrum
  • References
  • Notes
• Other data available:
  • Mass spectrum (electron ionization)
  • Gas Chromatography
• Options:
  • Switch to calorie-based units

Data at NIST subscription sites:

• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.

Condensed phase thermochemistry data

Go To: Top, Phase change data, Reaction thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Phase change data

Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry 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 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

Reduced pressure boiling point

Enthalpy of vaporization

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Enthalpy of sublimation

Enthalpy of fusion

Reaction thermochemistry data

Go To: Top, Condensed phase thermochemistry data, 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

2 +  =

By formula: 2H₂ + C₁₉H₃₄O₂ = C₁₉H₃₈O₂

 +  =

By formula: H₂ + C₁₉H₃₆O₂ = C₁₉H₃₈O₂

 + 2 =

By formula: C₁₉H₃₄O₂ + 2H₂ = C₁₉H₃₈O₂

3 +  =

By formula: 3H₂ + C₁₉H₃₂O₂ = C₁₉H₃₈O₂

 +  =

By formula: C₁₉H₃₆O₂ + H₂ = C₁₉H₃₈O₂

IR Spectrum

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, References, Notes

Data compiled by: Coblentz Society, Inc.

• Not specified, most likely a prism, grating, or hybrid spectrometer.; (NO SPECTRUM, ONLY SCANNED IMAGE IS AVAILABLE)
• SOLUTION (10% CCl4 FOR 2.7-7.5, 10% CS2 FOR 7.5-26 MICRON) VS SOLVENT; DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm^-1 resolution

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

• gas

References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Freedman, Bagby, et al., 1989
Freedman, B.; Bagby, M.O.; Khoury, H., Correlation of heats of combustion with empirical formulas for fatty alcohols, J. Am. Oil Chem. Soc., 1989, 66, 595-596. [all data]

Babich, Hwang, et al., 1992
Babich, M.W.; Hwang, S.W.; Mounts, R.D., Thermochim. Acta, 1992, 210, 77. [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]

Kurtz, 1952
Kurtz, F.E., Chromatography of Methayl Stearate, Methyl Oleate, Methy Linoleate and Methyl Linolenate: A COncept of AMplified Chromatographic Separations, J. Am. Chem. Soc., 1952, 74, 1902-9. [all data]

Boelhouwer, Nederbragt, et al., 1950
Boelhouwer, J.W.M.; Nederbragt, G.W.; Verberg, G.W., Viscosity data of organic liquids, Appl. Sci. Res., Sect. A, 1950, 2, 249. [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]

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]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 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, 1964
Rose, Arthur.; Schrodt, V.N., Vapor-Liquid Equilibria for the Methyl Oleate and Methyl Stearate Binary System., J. Chem. Eng. Data, 1964, 9, 1, 12-16, https://doi.org/10.1021/je60020a006 . [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]

King and Garner, 1936, 2
King, A. Millicent; Garner, William E., 297. The heats of crystallisation of methyl and ethyl esters of monobasic fatty acids, J. Chem. Soc., 1936, 1372, https://doi.org/10.1039/jr9360001372 . [all data]

Rogers and Siddiqui, 1975
Rogers, D.W.; Siddiqui, N.A., Heats of hydrogenation of large molecules. I. Esters of unsaturated fatty acids, J. Phys. Chem., 1975, 79, 574-577. [all data]

Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, References

• Symbols used in this document:
  

  Tboil	Boiling point
  Tfus	Fusion (melting) point
  ΔcH°solid	Enthalpy of combustion of solid at standard conditions
  ΔfusH	Enthalpy of fusion
  ΔrH°	Enthalpy of reaction at standard conditions
  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
• The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
• Customer support for NIST Standard Reference Data products.