1-Butanol, 3-methyl-

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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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
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
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Tboil404. ± 2.KAVGN/AAverage of 83 out of 84 values; Individual data points
Quantity Value Units Method Reference Comment
Tc579. ± 3.KAVGN/AAverage of 9 values; Individual data points
Quantity Value Units Method Reference Comment
Pc39.3 ± 0.2barN/AGude and Teja, 1995 
Pc39.30barN/AQuadri, Khilar, et al., 1991Uncertainty assigned by TRC = 0.40 bar; TRC
Pc45.5963barN/AKreglewski, 1955Uncertainty assigned by TRC = 2.0265 bar; TRC
Quantity Value Units Method Reference Comment
Δvap53. ± 8.kJ/molAVGN/AAverage of 6 values; Individual data points

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
44.07404.2N/AMajer and Svoboda, 1985 
49.8363.N/ALladosa, Monton, et al., 2008Based on data from 348. to 404. K.; AC
47.2340.N/AAucejo, Burguet, et al., 1994Based on data from 325. to 385. K.; AC
57.1318.N/AStephenson and Malanowski, 1987Based on data from 303. to 412. K.; AC
55.2 ± 0.2303.CMajer, Svoboda, et al., 1985AC
54.2 ± 0.2313.CMajer, Svoboda, et al., 1985AC
52.9 ± 0.2328.CMajer, Svoboda, et al., 1985AC
51.4 ± 0.2343.CMajer, Svoboda, et al., 1985AC
49.7 ± 0.2358.CMajer, Svoboda, et al., 1985AC
56.5313.N/AWilhoit and Zwolinski, 1973Based on data from 298. to 426. K.; AC

Enthalpy of vaporization

ΔvapH = A exp(-αTr) (1 − Tr)β
    ΔvapH = Enthalpy of vaporization (at saturation pressure) (kJ/mol)
    Tr = reduced temperature (T / Tc)

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Temperature (K) 303. to 395.
A (kJ/mol) 68.92
α -0.598
β 0.7228
Tc (K) 579.4
ReferenceMajer and Svoboda, 1985

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:


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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]

Quadri, Khilar, et al., 1991
Quadri, S.K.; Khilar, K.C.; Kudchadker, A.P.; Patni, M.J., Measurement of the critical temperatures and critical pressures of some thermally stable or mildly unstable alkanols, J. Chem. Thermodyn., 1991, 23, 67-76. [all data]

Kreglewski, 1955
Kreglewski, A., The Critical Temperatures of Mixtures formed by Benzene and n-Octane with Iso-Alcohols, Rocz. Chem., 1955, 29, 754. [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

Lladosa, Monton, et al., 2008
Lladosa, Estela; Monton, Juan B.; Burguet, MaCruz, Isobaric Vapor-Liquid Equilibria for Binary and Ternary Mixtures of Diisopropyl Ether, 2-Propyl Alcohol, and 3-Methyl-1-Butanol, J. Chem. Eng. Data, 2008, 53, 8, 1897-1902, https://doi.org/10.1021/je800298n . [all data]

Aucejo, Burguet, et al., 1994
Aucejo, Antonio; Burguet, M.C.; Monton, Juan B.; Munoz, Rosa; Sanchotello, Margarita; Vazquez, M. Isabel, Isothermal Vapor-Liquid Equilibria of 1-Pentanol with 2-Methyl-1-butanol, 2-Methyl-2-butanol, and 3-Methyl-2-butanol, J. Chem. Eng. Data, 1994, 39, 3, 578-580, https://doi.org/10.1021/je00015a040 . [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]

Majer, Svoboda, et al., 1985
Majer, V.; Svoboda, V.; Lencka, M., Enthalpies of vaporization and cohesive energies of dimethylpyridines and trimethylpyridines, The Journal of Chemical Thermodynamics, 1985, 17, 4, 365-370, https://doi.org/10.1016/0021-9614(85)90133-8 . [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]


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