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n-Decanoic acid

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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
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil530. ± 60.KAVGN/AAverage of 10 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus304. ± 2.KAVGN/AAverage of 12 values; Individual data points
Quantity Value Units Method Reference Comment
Ttriple304.55KN/ASchaake, van Miltenburg, et al., 1982Uncertainty assigned by TRC = 0.02 K; TRC
Ttriple303.95KN/ASpizzichino, 1956Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Ptriple9.60524×10-7atmN/ASpizzichino, 1956Uncertainty assigned by TRC = 2.6315×10-7 atm; TRC
Quantity Value Units Method Reference Comment
Tc726.KN/AAmbrose and Ghiassee, 1987Uncertainty assigned by TRC = 4. K; TRC
Tc720.53KN/AD'Souza and Teja, 1987Uncertainty assigned by TRC = 3. K; Ambrose's procedure; TRC
Quantity Value Units Method Reference Comment
Pc20.73atmN/AAmbrose and Ghiassee, 1987Uncertainty assigned by TRC = 3.95 atm; TRC
Pc21.3347atmN/AD'Souza and Teja, 1987Uncertainty assigned by TRC = 0.89 atm; Ambrose's procedure; TRC
Quantity Value Units Method Reference Comment
Deltasub31. ± 1.kcal/molTPDCappa, Lovejoy, et al., 2008AC
Deltasub28.4 ± 0.5kcal/molVBaccanari, Novinski, et al., 1968ALS
Deltasub28.39 ± 0.53kcal/molMEBaccanari, Novinski, et al., 1968Based on data from 293. - 303. K. See also Cox and Pilcher, 1970 and Stephenson and Malanowski, 1987.; AC

Reduced pressure boiling point

Tboil (K) Pressure (atm) Reference Comment
422.20.014Weast and Grasselli, 1989BS

Enthalpy of vaporization

DeltavapH (kcal/mol) Temperature (K) Method Reference Comment
18.3413.AStephenson and Malanowski, 1987Based on data from 398. - 543. K.; AC
21.2314.ME,TEde Kruif, Schaake, et al., 1982Based on data from 305. - 323. K.; AC
17.1418.ICramer, 1943AC

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
426.0 - 460.32.4588733.581-256.708Kahlbaum, 1894Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

DeltasubH (kcal/mol) Temperature (K) Method Reference Comment
27.99 ± 0.41295.MEDavies and Malpass, 1961Based on data from 290. - 301. K.; AC
28.0 ± 0.4289.8VDavies and Malpass, 1961, 2ALS

Enthalpy of fusion

DeltafusH (kcal/mol) Temperature (K) Method Reference Comment
6.6898304.4N/AGarner and Randall, 1924DH
6.76303.8DSCMoreno, Cordobilla, et al., 2007AC
6.649304.5N/ADomalski and Hearing, 1996AC
6.9830300.1N/AEykman, 1889DH

Entropy of fusion

DeltafusS (cal/mol*K) Temperature (K) Reference Comment
22.0304.4Garner and Randall, 1924DH
23.3300.1Eykman, 1889DH

Enthalpy of phase transition

DeltaHtrs (kcal/mol) Temperature (K) Initial Phase Final Phase Reference Comment
6.6439304.55crystaline, IliquidSchaake, van Miltenburg, et al., 1982, 2DH

Entropy of phase transition

DeltaStrs (cal/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
21.82304.55crystaline, IliquidSchaake, van Miltenburg, et al., 1982, 2DH

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


References

Go To: Top, Phase change data, Notes

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

Schaake, van Miltenburg, et al., 1982
Schaake, R.C.F.; van Miltenburg, J.C.; De Kruif, C.G., Thermodynamic properties of the normal alkanoic acids. II. Molar heat capacities of seven even-numbered normal alkanoic acids., J. Chem. Thermodyn., 1982, 14, 771-8. [all data]

Spizzichino, 1956
Spizzichino, C., Contribution a l'etude des tensions de vapeur et des chaleurs de vaporisation des acides gras, esters methyliques et alcools gras a des pressions inferieures a 1 mm de mercure, J. des Recherches du C.N.R.S., 1956, 34, 1-24. [all data]

Ambrose and Ghiassee, 1987
Ambrose, D.; Ghiassee, N.B., Vapor Pressures and Critical Temperatures and Critical Pressures of Some Alkanoic Acids: C1 to C10, J. Chem. Thermodyn., 1987, 19, 505. [all data]

D'Souza and Teja, 1987
D'Souza, R.; Teja, A.S., The prediction of the vapor pressures of carboxylic acids, Chem. Eng. Commun., 1987, 61, 13. [all data]

Cappa, Lovejoy, et al., 2008
Cappa, Christopher D.; Lovejoy, Edward R.; Ravishankara, A.R., Evaporation Rates and Vapor Pressures of the Even-Numbered C 8 -C 18 Monocarboxylic Acids, J. Phys. Chem. A, 2008, 112, 17, 3959-3964, https://doi.org/10.1021/jp710586m . [all data]

Baccanari, Novinski, et al., 1968
Baccanari, D.P.; Novinski, J.A.; Pan, Y.; Yevitz, M.M.; Swain, H.A., Jr., Heats of sublimation and vaporization at 25° of long chain fatty acids and methyl esters, Trans. Faraday Soc., 1968, 64, 1201. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press Inc., London, 1970, 643. [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]

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]

de Kruif, Schaake, et al., 1982
de Kruif, C.G.; Schaake, R.C.F.; van Miltenburg, J.C.; van der Klauw, K.; Blok, J.G., Thermodynamic properties of the normal alkanoic acids III. Enthalpies of vaporization and vapour pressures of 13 normal alkanoic acids, The Journal of Chemical Thermodynamics, 1982, 14, 8, 791-798, https://doi.org/10.1016/0021-9614(82)90176-8 . [all data]

Cramer, 1943
Cramer, K.S.N., Chem. Zentr. II, 1943, 2234. [all data]

Kahlbaum, 1894
Kahlbaum, G.W.A., Studien uber Dampfspannkraftsmessungen, Z. Phys. Chem. (Leipzig), 1894, 13, 14-55. [all data]

Davies and Malpass, 1961
Davies, Mansel; Malpass, V.E., 212. Heats of sublimation of straight-chain monocarboxylic acids, J. Chem. Soc., 1961, 1048, https://doi.org/10.1039/jr9610001048 . [all data]

Davies and Malpass, 1961, 2
Davies, M.; Malpass, V.E., Heats of sublimation of straight-chain monocarboxylic acids, J. Chem. Soc., 1961, 1048-10. [all data]

Garner and Randall, 1924
Garner, W.E.; Randall, F.C., Alternation in the heats of crystallization of the normal monobasic fatty acids. Part I., J. Chem. Soc., 1924, 125, 881-896. [all data]

Moreno, Cordobilla, et al., 2007
Moreno, Evelyn; Cordobilla, Raquel; Calvet, Teresa; Cuevas-Diarte, M.A.; Gbabode, Gabin; Negrier, Philippe; Mondieig, Denise; Oonk, Harry A.J., Polymorphism of even saturated carboxylic acids from n-decanoic to n-eicosanoic acid, New J. Chem., 2007, 31, 6, 947, https://doi.org/10.1039/b700551b . [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]

Eykman, 1889
Eykman, J.F., Zur kryoskopischen Molekulargewichtsbestimmung, Z. Physik. Chem., 1889, 4, 497-519. [all data]

Schaake, van Miltenburg, et al., 1982, 2
Schaake, R.C.F.; van Miltenburg, J.C.; De Kruif, C.G., Thermodynamic properties of the normal alkanoic acids. II. Molar heat capacities of seven even-numbered normal alkanoic acids, J. Chem. Thermodynam., 1982, 14, 771-778. [all data]


Notes

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