2-Butanol, 3-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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Δfgas-316.4 ± 1.8kJ/molEqkConnett, 1970ALS
Δfgas-313.1kJ/molN/AChao and Rossini, 1965Value computed using ΔfHliquid° value of -366.6±0.7 kj/mol from Chao and Rossini, 1965 and ΔvapH° value of 53.5 kj/mol from Connett, 1970.; DRB
Quantity Value Units Method Reference Comment
gas388.6 ± 3.8J/mol*KN/AConnett, 1970This value was obtained from equilibrium study.; GT

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-369.9 ± 1.4kJ/molEqkConnett, 1970ALS
Δfliquid-366.6 ± 0.71kJ/molCcbChao and Rossini, 1965ALS
Quantity Value Units Method Reference Comment
Δcliquid-3315.1 ± 0.63kJ/molCcbChao and Rossini, 1965Corresponding Δfliquid = -367.4 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
245.9298.15Atrashenok, Nesterov, et al., 1991T = 218 to 373 K. Cp(liq) = 4.81853 - 3.12708(T/100) + 0.182356(T/100)2 + 0.484126(T/100)3 - 0.0905712(T/100)4 kJ/kg*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

Quantity Value Units Method Reference Comment
Tboil385. ± 3.KAVGN/AAverage of 23 values; Individual data points
Quantity Value Units Method Reference Comment
Ttriple131.5KN/AZubkov, Peshenko, et al., 1990Glass phase; Uncertainty assigned by TRC = 0.7 K; TRC
Quantity Value Units Method Reference Comment
Tc556.1 ± 0.5KN/AGude and Teja, 1995 
Tc556.1KN/AQuadri, Khilar, et al., 1991Uncertainty assigned by TRC = 0.7 K; TRC
Quantity Value Units Method Reference Comment
Pc38.7 ± 0.2barN/AGude and Teja, 1995 
Pc38.70barN/AQuadri, Khilar, et al., 1991Uncertainty assigned by TRC = 0.40 bar; TRC
Quantity Value Units Method Reference Comment
Δvap53.03kJ/molN/AMajer and Svoboda, 1985 
Δvap51.6 ± 0.3kJ/molGSKulikov, Verevkin, et al., 2001Based on data from 280. to 301. K.; AC
Δvap53.5 ± 0.4kJ/molVConnett, 1970ALS
Δvap51.7kJ/molCMcCurdy and Laidler, 1963AC

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
49.0295.AStephenson and Malanowski, 1987Based on data from 280. to 375. K.; AC
46.4308.AStephenson and Malanowski, 1987Based on data from 293. to 385. K.; AC
52.7313.N/AWilhoit and Zwolinski, 1973Based on data from 298. to 384. K.; AC

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, Gas phase thermochemistry data, 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.

Connett, 1970
Connett, J.E., Chemical equilibria. Part III. Dehydrogenation of pentan-1-ol, pentan-2-ol, and 3-methylbutan-2-ol, J. Chem. Soc. A, 1970, 1284-1286. [all data]

Chao and Rossini, 1965
Chao, J.; Rossini, F.D., Heats of combustion, formation, and isomerization of nineteen alkanols, J. Chem. Eng. Data, 1965, 10, 374-379. [all data]

Atrashenok, Nesterov, et al., 1991
Atrashenok, T.R.; Nesterov, N.A.; Zhuk, I.P.; Peshchenko, A.D., Measured specific heats of hexan-1-ol and 3-methyl-2-butanol over wide temperature ranges, Inzh.-Fiz. Zh., 1991, 61(2), 301-304. [all data]

Zubkov, Peshenko, et al., 1990
Zubkov, V.I.; Peshenko, A.D.; Markovnik, V.S., Thermodynamic properties of 3-methyl-2-butanol and 3,3-dimethyl-2-butanol in Vses. Konf. Term. Org. Soedin. 6th, Minsk, p 46, 1990. [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]

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]

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]

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]

McCurdy and Laidler, 1963
McCurdy, K.G.; Laidler, K.J., HEATS OF VAPORIZATION OF A SERIES OF ALIPHATIC ALCOHOLS, Can. J. Chem., 1963, 41, 8, 1867-1871, https://doi.org/10.1139/v63-274 . [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]

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]


Notes

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