Pentadecanoic acid

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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 as indicated in comments:
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
Δcliquid-2229.4 ± 0.36kcal/molCcbAdriaanse, Dekker, et al., 1965Hfusion=50.0 kJ/mol; Corresponding Δfliquid = -206.1 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of solid

Cp,solid (cal/mol*K) Temperature (K) Reference Comment
105.95298.15Schaake, van Miltenburg, et al., 1982T = 80 to 345 K.; DH

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
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tfus326. ± 2.KAVGN/AAverage of 8 values; Individual data points
Quantity Value Units Method Reference Comment
Ttriple325.68KN/ASchaake, van Miltenburg, et al., 1982, 2Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Tc775.43KN/AD'Souza and Teja, 1987Uncertainty assigned by TRC = 3. K; Ambrose's procedure; TRC
Quantity Value Units Method Reference Comment
Pc15.3105atmN/AD'Souza and Teja, 1987Uncertainty assigned by TRC = 0.84 atm; Ambrose's procedure; TRC
Quantity Value Units Method Reference Comment
Δsub37.4kcal/molVBaccanari, Novinski, et al., 1968ALS

Reduced pressure boiling point

Tboil (K) Pressure (atm) Reference Comment
530.20.132Weast and Grasselli, 1989BS

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
22.446.AStephenson and Malanowski, 1987Based on data from 431. to 613. K.; AC
25.93 ± 0.48357.ME,TEde Kruif, Schaake, et al., 1982Based on data from 347. to 367. K.; AC

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Method Reference Comment
34.49275. to 293.TPTDChattopadhyay and Ziemann, 2005AC
42.5283. to 305.TPTDChattopadhyay, Tobias, et al., 2001Experimental values based on the TPTD method are often inconsistent with values determined using other experimental methods; AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Method Reference Comment
9.66325.5DSCGbabode, Negrier, et al., 2007See also Gbabode, Negrier, et al., 2008 and Gbabode, Negrier, et al., 2009.; AC
9.924325.7N/ADomalski and Hearing, 1996AC
11.0324.9N/ABerchiesi, Bercuiesi, et al., 1976AC

Entropy of fusion

ΔfusS (cal/mol*K) Temperature (K) Reference Comment
6.090318.7Domalski and Hearing, 1996CAL
30.471325.7

Enthalpy of phase transition

ΔHtrs (kcal/mol) Temperature (K) Initial Phase Final Phase Reference Comment
1.941318.7crystaline, IIcrystaline, ISchaake, van Miltenburg, et al., 1982DH
9.9250325.68crystaline, IliquidSchaake, van Miltenburg, et al., 1982DH

Entropy of phase transition

ΔStrs (cal/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
6.087318.7crystaline, IIcrystaline, ISchaake, van Miltenburg, et al., 1982DH
30.473325.68crystaline, IliquidSchaake, van Miltenburg, et al., 1982DH

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, Condensed phase thermochemistry data, Phase change data, Notes

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

Adriaanse, Dekker, et al., 1965
Adriaanse, N.; Dekker, H.; Coops, J., Heats of combustion of normal saturated fatty acids and their methyl esters, Rec. Trav. Chim. Pays/Bas, 1965, 84, 393-407. [all data]

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. I. Molar heat capacities of seven odd-numbered normal alkanoic acids, J. Chem. Thermodynam., 1982, 14, 763-769. [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. I. Molar heat capacities of seven odd-numbered normal alkanoic acids., J. Chem. Thermodyn., 1982, 14, 763. [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]

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]

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]

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]

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]

Chattopadhyay and Ziemann, 2005
Chattopadhyay, Sulekha; Ziemann, Paul J., Vapor Pressures of Substituted and Unsubstituted Monocarboxylic and Dicarboxylic Acids Measured Using an Improved Thermal Desorption Particle Beam Mass Spectrometry Method, Aerosol Science and Technology, 2005, 39, 11, 1085-1100, https://doi.org/10.1080/02786820500421547 . [all data]

Chattopadhyay, Tobias, et al., 2001
Chattopadhyay, Sulekha; Tobias, Herbert J.; Ziemann, Paul J., A Method for Measuring Vapor Pressures of Low-Volatility Organic Aerosol Compounds Using a Thermal Desorption Particle Beam Mass Spectrometer, Anal. Chem., 2001, 73, 16, 3797-3803, https://doi.org/10.1021/ac010304j . [all data]

Gbabode, Negrier, et al., 2007
Gbabode, Gabin; Negrier, Philippe; Mondieig, Denise; Moreno Calvo, Evelyn; Calvet, Teresa; Cuevas-Diarte, Miquel Àngel, Structures of the High-Temperature Solid Phases of the Odd-Numbered Fatty Acids from Tridecanoic Acid to Tricosanoic Acid, Chem. Eur. J., 2007, 13, 11, 3150-3159, https://doi.org/10.1002/chem.200600955 . [all data]

Gbabode, Negrier, et al., 2008
Gbabode, Gabin; Negrier, Philippe; Mondieig, Denise; Moreno, Evelyn; Calvet, Teresa; Cuevas-Diarte, Miquel Àngel, Polymorphism and solid-state miscibility in the pentadecanoic acid--heptadecanoic acid binary system, Chemistry and Physics of Lipids, 2008, 154, 1, 68-77, https://doi.org/10.1016/j.chemphyslip.2008.04.008 . [all data]

Gbabode, Negrier, et al., 2009
Gbabode, Gabin; Negrier, Philippe; Mondieig, Denise; Moreno, Evelyn; Calvet, Teresa; Cuevas-Diarte, Miquel Àngel, Fatty acids polymorphism and solid-state miscibility, Journal of Alloys and Compounds, 2009, 469, 1-2, 539-551, https://doi.org/10.1016/j.jallcom.2008.02.047 . [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]

Berchiesi, Bercuiesi, et al., 1976
Berchiesi, G.; Bercuiesi, M.A.; Lobbia, G.G.; Leonesi, D., Gazz. Chim. Ital., 1976, 106, 549. [all data]


Notes

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