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2-Propanol, 2-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, M. Frenkel director
BS - R.L. Brown and S.E. Stein
AC - W.E. Acree, Jr., J.S. Chickos
DRB - D.R. Burgess
ALS - H.Y. Afeefy, J.F. Liebman, and S.E. Stein
DH - E.S. Domalski and E.D. Hearing
CAL - J.S. Chickos, W.E. Acree, Jr., J.F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis

Quantity Value Units Method Reference Comment
Tboil355.5 ± 0.7KAVGN/AAverage of 65 out of 70 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus298.3 ± 0.7KAVGN/AAverage of 15 out of 17 values; Individual data points
Quantity Value Units Method Reference Comment
Ttriple298.96KN/AWilhoit, Chao, et al., 1985Crystal phase 1 phase; Uncertainty assigned by TRC = 0.06 K; TRC
Ttriple298.97KN/AOetting, 1963Crystal phase 1 phase; Uncertainty assigned by TRC = 0.06 K; TRC
Ttriple298.5KN/AParks and Anderson, 1926Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Tc506.2 ± 0.3KN/AGude and Teja, 1995 
Tc506.2KN/AMajer and Svoboda, 1985 
Tc506.2KN/AAmbrose and Townsend, 1963TRC
Tc508.9KN/AKrone and Johnson, 1956TRC
Tc508.1KN/APawlewski, 1883TRC
Quantity Value Units Method Reference Comment
Pc39.7 ± 0.2barN/AGude and Teja, 1995 
Pc39.72barN/AAmbrose and Townsend, 1963TRC
Pc42.32barN/AKrone and Johnson, 1956TRC
Quantity Value Units Method Reference Comment
Vc0.275l/molN/AGude and Teja, 1995 
Quantity Value Units Method Reference Comment
rhoc3.64 ± 0.02mol/lN/AGude and Teja, 1995 
rhoc3.643mol/lN/AAmbrose and Townsend, 1963TRC
rhoc3.48mol/lN/AKrone and Johnson, 1956TRC
Quantity Value Units Method Reference Comment
Deltavap46. ± 1.kJ/molAVGN/AAverage of 11 values; Individual data points
Quantity Value Units Method Reference Comment
Deltasub41.kJ/molVRaley, Rust, et al., 1948ALS

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
39.07355.5N/AMajer and Svoboda, 1985 
42.7338.N/AOrtega, Espiau, et al., 2003Based on data from 323. - 368. K.; AC
43.4336.N/AAucejo, Loras, et al., 1999Based on data from 321. - 359. K.; AC
46.2314.AStephenson and Malanowski, 1987Based on data from 299. - 375. K.; AC
41.4355.AStephenson and Malanowski, 1987Based on data from 347. - 363. K.; AC
43.2371.AStephenson and Malanowski, 1987Based on data from 356. - 480. K.; AC
41.4355.AStephenson and Malanowski, 1987Based on data from 347. - 363. K.; AC
39.8372.AStephenson and Malanowski, 1987Based on data from 357. - 461. K.; AC
33.6468.AStephenson and Malanowski, 1987Based on data from 453. - 506. K.; AC
42.6344.EBStephenson and Malanowski, 1987Based on data from 329. - 363. K. See also Ambrose, Counsell, et al., 1970 and Beynon and McKetta, 1963.; AC
46.12 ± 0.05303.2CMajer, Svoboda, et al., 1984ALS
46.2 ± 0.1303.CMajer, Svoboda, et al., 1984AC
44.9 ± 0.1313.CMajer, Svoboda, et al., 1984AC
43.0 ± 0.1328.CMajer, Svoboda, et al., 1984AC
41.0 ± 0.1343.CMajer, Svoboda, et al., 1984AC
37.2 ± 0.1368.CMajer, Svoboda, et al., 1984AC
44.7321.N/ASachek, Peshchenko, et al., 1982Based on data from 306. - 357. K.; AC
46.5308.N/AWilhoit and Zwolinski, 1973Based on data from 293. - 376. K.; AC
44.2328.N/ABrown, Fock, et al., 1969Based on data from 313. - 355. K. See also Boublik, Fried, et al., 1984.; AC
38.7388.N/AAmbrose and Townsend, 1963, 2Based on data from 373. - 506. K.; AC
42.1348.EBBeynon and McKetta, 1963Based on data from 333. - 363. K.; AC
42.5 ± 0.1330.CBeynon and McKetta, 1963AC
41.3 ± 0.1340.CBeynon and McKetta, 1963AC
40.4 ± 0.1346.CBeynon and McKetta, 1963AC
40.0 ± 0.1349.CBeynon and McKetta, 1963AC
39.0 ± 0.1356.CBeynon and McKetta, 1963AC
44.7323.N/AParks and Barton, 1928Based on data from 293. - 363. 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) 298. - 385.
A (kJ/mol) 69.08
alpha -0.3583
beta 0.678
Tc (K) 506.2
ReferenceMajer and Svoboda, 1985

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
312.66 - 355.564.497741174.869-93.92Brown, Fock, et al., 1969Coefficents calculated by NIST from author's data.
376.42 - 506.4.263831075.578-102.588Ambrose and Townsend, 1963, 3Coefficents calculated by NIST from author's data.
330.6 - 363.4.593231225.649-88.316Beynon and McKetta, 1963Coefficents calculated by NIST from author's data.
333.93 - 362.714.332581095.084-102.409Biddiscombe, Collerson, et al., 1963Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
51.3275.AStull, 1947Based on data from 253. - 298. K.; AC

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
6.7299.Domalski and Hearing, 1996AC
6.782298.5Parks and Anderson, 1926, 2DH

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
22.72298.5Parks and Anderson, 1926, 2DH

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
2.9286.1Domalski and Hearing, 1996CAL
1.66294.5
22.42299.0

Enthalpy of phase transition

DeltaHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
0.828286.14crystaline, IIcrystaline, IOetting F.L., 1963DH
0.490294.47crystaline, IIIcrystaline, IOetting F.L., 1963Metastable transition, not always reproducible, c,III,metastable form.; DH
6.7028298.97crystaline, IliquidOetting F.L., 1963DH

Entropy of phase transition

DeltaStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
2.89286.14crystaline, IIcrystaline, IOetting F.L., 1963DH
1.66294.47crystaline, IIIcrystaline, IOetting F.L., 1963Metastable; DH
22.42298.97crystaline, IliquidOetting F.L., 1963DH

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, Phase change data, Notes

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

Wilhoit, Chao, et al., 1985
Wilhoit, R.C.; Chao, J.; Hall, K.R., Thermodynamic Properties of Key Organic Compounds in the Carbon Range C1 to C4. Part 1. Properties of Condensed Phases, J. Phys. Chem. Ref. Data, 1985, 14, 1. [all data]

Oetting, 1963
Oetting, F.L., The heat capacity and entropy of 2-methyl-2-propanol from 15 to 330!31k, J. Phys. Chem., 1963, 67, 2757-61. [all data]

Parks and Anderson, 1926
Parks, G.S.; Anderson, C.T., Thermal data on organic compounds. III. The heat capacities, entropies and free energies of tertiary butyl alcohol, mannitol, erythritol and normal butyric acid, J. Am. Chem. Soc., 1926, 48, 1506-12. [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]

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]

Ambrose and Townsend, 1963
Ambrose, D.; Townsend, R., Thermodynamic Properties of Organic Oxygen Compounds IX. The Critical Properties and Vapor Pressures Above Five Atmospheres of Six Aliphatic Alcohols, J. Chem. Soc., 1963, 54, 3614-25. [all data]

Krone and Johnson, 1956
Krone, L.H.; Johnson, R.C., Thermodynamic Properties of tert-Butyl ALcohol, AIChE J., 1956, 2, 552-4. [all data]

Pawlewski, 1883
Pawlewski, B., Critical temperatures of some liquids, Ber. Dtsch. Chem. Ges., 1883, 16, 2633-36. [all data]

Raley, Rust, et al., 1948
Raley, J.H.; Rust, F.F.; Vaughan, W.E., Decompositions of Di-t-alkyl peroxides. I. Kinetics, J. Am. Chem. Soc., 1948, 70, 88-94. [all data]

Ortega, Espiau, et al., 2003
Ortega, Juan; Espiau, Fernando; Postigo, Miguel, Isobaric Vapor-Liquid Equilibria and Excess Quantities for Binary Mixtures of an Ethyl Ester + tert -Butanol and a New Approach to VLE Data Processing, J. Chem. Eng. Data, 2003, 48, 4, 916-924, https://doi.org/10.1021/je0202073 . [all data]

Aucejo, Loras, et al., 1999
Aucejo, Antonio; Loras, Sonia; Muñoz, Rosa; Ordoñez, Luis Miguel, Isobaric vapor--liquid equilibrium for binary mixtures of 2-methylpentane+ethanol and +2-methyl-2-propanol, Fluid Phase Equilibria, 1999, 156, 1-2, 173-183, https://doi.org/10.1016/S0378-3812(99)00029-1 . [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]

Ambrose, Counsell, et al., 1970
Ambrose, D.; Counsell, J.F.; Davenport, A.J., The use of Chebyshev polynomials for the representation of vapour pressures between the triple point and the critical point, The Journal of Chemical Thermodynamics, 1970, 2, 2, 283-294, https://doi.org/10.1016/0021-9614(70)90093-5 . [all data]

Beynon and McKetta, 1963
Beynon, Eugene T.; McKetta, John J., THE THERMODYNAMIC PROPERTIES OF 2-METHYL-2-PROPANOL, J. Phys. Chem., 1963, 67, 12, 2761-2765, https://doi.org/10.1021/j100806a060 . [all data]

Majer, Svoboda, et al., 1984
Majer, V.; Svoboda, V.; Hynek, V., On the enthalpy of vaporization of isomeric butanols, J. Chem. Thermodyn., 1984, 16, 1059-1066. [all data]

Sachek, Peshchenko, et al., 1982
Sachek, A.I.; Peshchenko, A.D.; Markovnik, V.S.; Ral'ko, O.V.; Andreevskii, D.N.; Leont'eva, A.A., Termodin. Org. Soedin., 1982, 94. [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]

Brown, Fock, et al., 1969
Brown, I.; Fock, W.; Smith, F., The thermodynamic properties of solutions of normal and branched alcohols in benzene and n-hexane, The Journal of Chemical Thermodynamics, 1969, 1, 3, 273-291, https://doi.org/10.1016/0021-9614(69)90047-0 . [all data]

Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E., The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]

Ambrose and Townsend, 1963, 2
Ambrose, D.; Townsend, R., 681. Thermodynamic properties of organic oxygen compounds. Part IX. The critical properties and vapour pressures, above five atmospheres, of six aliphatic alcohols, J. Chem. Soc., 1963, 3614, https://doi.org/10.1039/jr9630003614 . [all data]

Parks and Barton, 1928
Parks, George S.; Barton, Bernard, VAPOR PRESSURE DATA FOR ISOPROPYL ALCOHOL AND TERTIARY BUTYL ALCOHOL, J. Am. Chem. Soc., 1928, 50, 1, 24-26, https://doi.org/10.1021/ja01388a004 . [all data]

Ambrose and Townsend, 1963, 3
Ambrose, D.; Townsend, R., Thermodynamic Properties of Organic Oxygen Compounds. Part 9. The Critical Properties and Vapour Pressures, above Five Atmospheres, of Six Aliphatic Alcohols, J. Chem. Soc., 1963, 3614-3625, https://doi.org/10.1039/jr9630003614 . [all data]

Biddiscombe, Collerson, et al., 1963
Biddiscombe, D.P.; Collerson, R.R.; Handley, R.; Herington, E.F.G.; Martin, J.F.; Sprake, C.H.S., Thermodynamic Properties of Organic Oxygen Compounds. Part 8. Purification and Vapor Pressures of the Propyl and Butyl Alcohols, J. Chem. Soc., 1963, 1954-1957, https://doi.org/10.1039/jr9630001954 . [all data]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [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]

Parks and Anderson, 1926, 2
Parks, G.S.; Anderson, C.T., Thermal data on organic compounds. III. The heat capacities, entropies and free energies of tertiary butyl alcohol, mannitol, erythritol and normal butyric acid, J. Am. Chem. Soc., 1926, 48, 1506-1512. [all data]

Oetting F.L., 1963
Oetting F.L., The heat capacity and entropy of 2-methyl-2-propanol from 15 to 330 K, J. Phys. Chem., 1963, 67, 2757-2761. [all data]


Notes

Go To: Top, Phase change data, References