9,12-Octadecadienoic acid (Z,Z)-, methyl ester

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Condensed phase thermochemistry 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfliquid-604.88kJ/molChydRogers and Siddiqui, 1975 
Quantity Value Units Method Reference Comment
Δcliquid-11690.1 ± 1.5kJ/molCcbFreedman, Bagby, et al., 1989Corresponding Δfliquid = -645.72 kJ/mol (simple calculation by NIST; no Washburn corrections)

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

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference Comment
465.20.005Aldrich Chemical Company Inc., 1990BS

Antoine Equation Parameters

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

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Temperature (K) A B C Reference Comment
439.7 to 479.3.828462066.995-116.87Althouse and Triebold, 1944Coefficents calculated by NIST from author's data.

Reaction thermochemistry 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 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

9,12-Octadecadienoic acid (Z,Z)-, methyl ester + 2Hydrogen = Methyl stearate

By formula: C19H34O2 + 2H2 = C19H38O2

Quantity Value Units Method Reference Comment
Δr-245.2 ± 1.6kJ/molChydRogers and Siddiqui, 1975liquid phase; solvent: n-Hexane

References

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

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]

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]

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

Althouse and Triebold, 1944
Althouse, Paul M.; Triebold, Howard O., Physical Constants of Methyl Esters of Commonly Occurring Fatty Acids Vapor Pressure, Ind. Eng. Chem. Anal. Ed., 1944, 16, 10, 605-606, https://doi.org/10.1021/i560134a003 . [all data]


Notes

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