9-Octadecenoic acid (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-727.64kJ/molChydRogers and Siddiqui, 1975 
Quantity Value Units Method Reference Comment
Δcliquid-11832.4 ± 1.5kJ/molCcbFreedman, Bagby, et al., 1989Corresponding Δfliquid = -789.27 kJ/mol (simple calculation by NIST; no Washburn corrections)
Δcliquid-11887. ± 12.kJ/molCcbKeffler, 1937Reanalyzed by Cox and Pilcher, 1970, Original value = -11871. kJ/mol; See Keffler and McLean, 1935; Corresponding Δfliquid = -734.46 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
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δvap104. ± 6.kJ/molAVGN/AAverage of 6 values; Individual data points

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference Comment
491.70.027Weast and Grasselli, 1989BS

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
77.2498.GCHusain, Sarma, et al., 1993Based on data from 453. to 543. K.; AC
77.2498.GCHusain, Sarma, et al., 1993Based on data from 453. to 543. K.; AC
86.3406.A,MG,OMStephenson and Malanowski, 1987Based on data from 391. to 459. K. See also Scott, Macmillan, et al., 1952.; AC
83.0443.AStephenson and Malanowski, 1987Based on data from 428. to 486. K. See also Rose and Schrodt, 1964.; AC
84.39293.VScott, Macmillan, et al., 1952ALS
86.7416.MG,OMScott, Macmillan, et al., 1952Based on data from 401. to 458. K.; AC

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
428.72 to 485.225.22522723.181-91.822Rose and Schrodt, 1964Coefficents calculated by NIST from author's data.

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]

Keffler, 1937
Keffler, L.J.P., Homology and isomerism in long-chain compounds. I. A thermochemical study of the n-alkyl esters derived from the monoethylenic monocarboxylic acids in C18, J. Phys. Chem., 1937, 41, 715-721. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Keffler and McLean, 1935
Keffler, L.; McLean, J.H., Homology in long-chain compounds, I. Oleic acid and the n-alkul oleates, J. Soc. Chem. Ind., 1935, 178-185. [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]

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]

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]


Notes

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