2-Pentanol, 4-methyl-

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Gas 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: Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Δfgas-344.1 ± 2.1kJ/molN/ASachek, Peshchenko, et al., 1974Value computed using ΔfHliquid° value of -394.7±0.75 kj/mol from Sachek, Peshchenko, et al., 1974 and ΔvapH° value of 50.6±2 kj/mol from missing citation.

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
Δfliquid-394.7 ± 0.75kJ/molCcbSachek, Peshchenko, et al., 1974Heat of combustion not reported; ALS

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
272.34298.15Ortega, 1986DH
273.01298.15Bravo, Pintos, et al., 1984DH

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

Quantity Value Units Method Reference Comment
Tboil405. ± 4.KAVGN/AAverage of 35 out of 36 values; Individual data points
Quantity Value Units Method Reference Comment
Tc574.4 ± 0.5KN/AGude and Teja, 1995 
Tc574.4KN/ALawrenson and Lee, 1978Uncertainty assigned by TRC = 0.5 K; Visual, decomp.; TRC
Quantity Value Units Method Reference Comment
Δvap57.3 ± 0.3kJ/molGSKulikov, Verevkin, et al., 2001Based on data from 274. to 301. K.; AC

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
59.6280.AStephenson and Malanowski, 1987Based on data from 240. to 295. K.; AC
47.3368.A,EBStephenson and Malanowski, 1987Based on data from 353. to 404. K. See also Andreevskii and Brazhnikov, 1970.; AC
49.6308.N/AWilhoit and Zwolinski, 1973Based on data from 293. to 406. K.; AC
45.6350.IHovorka, Lankelma, et al., 1938Based on data from 298. to 403. 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
298. to 406.7.573433831.194101.679Hovorka, Lankelma, et al., 1938Coefficents calculated by NIST from author's data.

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

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

Sachek, Peshchenko, et al., 1974
Sachek, A.I.; Peshchenko, A.D.; Andreevskii, D.N., Heats of formation of secondary pentanols and hexanols, Russ. J. Phys. Chem. (Engl. Transl.), 1974, 48, 617. [all data]

Ortega, 1986
Ortega, J., Excess molar heat capacities of the binary mixtures of cyclohexane with isomers of hexanol at 298.15 K, Rev. Latinoam. Ing. Quim. Quim. Apl., 1986, 16, 307-315. [all data]

Bravo, Pintos, et al., 1984
Bravo, R.; Pintos, M.; Baluja, M.C.; Paz Andrade, M.I.; Roux-Desgranges, G.; Grolier, J.-P.E., Excess volumes excess heat capacities of some mixtures: (an isomer of hexanol + an n-alkane) at 298.15 K, J. Chem. Thermodynam., 1984, 16, 73-79. [all data]

Gude and Teja, 1995
Gude, M.; Teja, A.S., Vapor-Liquid Critical Properties of Elements and Compounds. 4. Aliphatic Alkanols, J. Chem. Eng. Data, 1995, 40, 1025-1036. [all data]

Lawrenson and Lee, 1978
Lawrenson, I.J.; Lee, D.A., Thermodynamic properties of organic oxygen compounds XLVIII. The critical temperature of some alkanols, J. Chem. Thermodyn., 1978, 10, 1111. [all data]

Kulikov, Verevkin, et al., 2001
Kulikov, Dmitry; Verevkin, Sergey P.; Heintz, Andreas, Determination of Vapor Pressures and Vaporization Enthalpies of the Aliphatic Branched C 5 and C 6 Alcohols, J. Chem. Eng. Data, 2001, 46, 6, 1593-1600, https://doi.org/10.1021/je010187p . [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]

Andreevskii and Brazhnikov, 1970
Andreevskii, D.N.; Brazhnikov, M.M., Vestn. Beloruss. Univ., 1970, 2, 3, 14. [all data]

Wilhoit and Zwolinski, 1973
Wilhoit, R.C.; Zwolinski, B.J., Physical and thermodynamic properties of aliphatic alcohols, J. Phys. Chem. Ref. Data Suppl., 1973, 1, 2, 1. [all data]

Hovorka, Lankelma, et al., 1938
Hovorka, Frank; Lankelma, Herman P.; Stanford, Spencer C., Thermodynamic Properties of the Hexyl Alcohols. II. Hexanols-1, -2, -3 and 2-Methylpentanol-1 and -4, J. Am. Chem. Soc., 1938, 60, 4, 820-827, https://doi.org/10.1021/ja01271a018 . [all data]


Notes

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