Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

2-Pentanol, 4-methyl-

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.

Phase change data

Go To: Top, References, Notes

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, Kenneth Kroenlein director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil405. ± 4.KAVGN/AAverage of 36 out of 37 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
Deltavap57.3 ± 0.3kJ/molGSKulikov, Verevkin, et al., 2001Based on data from 274. - 301. K.; AC

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
59.6280.AStephenson and Malanowski, 1987Based on data from 240. - 295. K.; AC
47.3368.A,EBStephenson and Malanowski, 1987Based on data from 353. - 404. K. See also Andreevskii and Brazhnikov, 1970.; AC
49.6308.N/AWilhoit and Zwolinski, 1973Based on data from 293. - 406. K.; AC
45.6350.IHovorka, Lankelma, et al., 1938Based on data from 298. - 403. K.; AC

Antoine Equation Parameters

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

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Temperature (K) A B C Reference Comment
298. - 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:


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.

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]


Go To: Top, Phase change data, References