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Decane, 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:
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
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil462.4KN/AWeast and Grasselli, 1989BS
Tboil462.4KN/AMajer and Svoboda, 1985 
Tboil462.30KN/AAnonymous, 1950Uncertainty assigned by TRC = 0.5 K; TRC
Tboil462.3KN/ABoord, Greenlee, et al., 1950Uncertainty assigned by TRC = 0.2 K; TRC
Tboil462.27KN/ABoord, Greenlee, et al., 1950Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Tfus224.28 ± 0.02KAVGN/AAverage of 8 values; Individual data points
Quantity Value Units Method Reference Comment
Ttriple224.3000KN/AMesserly and Finke, 1971Uncertainty assigned by TRC = 0.01 K; TRC
Ttriple224.3100KN/AMesserly and Finke, 1971Uncertainty assigned by TRC = 0.005 K; by extrapolation of 1/F to 0, corrected for impurities; TRC
Quantity Value Units Method Reference Comment
Tc629.9KN/AMajer and Svoboda, 1985 
Quantity Value Units Method Reference Comment
Deltavap54.29kJ/molN/AMajer and Svoboda, 1985 

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
40.25462.4N/AMajer and Svoboda, 1985 
55.5288.AStephenson and Malanowski, 1987Based on data from 273. - 353. K.; AC
47.4394.AStephenson and Malanowski, 1987Based on data from 379. - 463. K.; AC
51.9328.CMajer, Svoboda, et al., 1984AC
50.6343.CMajer, Svoboda, et al., 1984AC
49.5358.CMajer, Svoboda, et al., 1984AC
55.4283.IPOsborn and Douslin, 1974Based on data from 273. - 293. K.; AC

Enthalpy of vaporization

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

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Temperature (K) A (kJ/mol) beta Tc (K) Reference Comment
328. - 368.77.260.3168629.9Majer 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
273. - 462.374.219611640.288-72.933Osborn and Douslin, 1974Coefficents calculated by NIST from author's data.

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
25.087224.31Messerly and Finke, 1971, 2DH
25.06224.3Domalski and Hearing, 1996AC

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
111.84224.31Messerly and Finke, 1971, 2DH

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.

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [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]

Anonymous, 1950
Anonymous, R., , Am. Pet. Inst. Res. Proj. 6, Natl. Bur. Stand., 1950. [all data]

Boord, Greenlee, et al., 1950
Boord, C.E.; Greenlee, K.W.; Derfer, J.M., The Synthesis, Purification and Prop. of Hydrocarbons of Low Mol. Wt., Am. Pet. Inst. Res. Proj. 45, Twelfth Annu. Rep., Ohio State Univ., 1950. [all data]

Messerly and Finke, 1971
Messerly, J.F.; Finke, H.L., Low-temperature Thermal Properties of 2-Methyldecane: the Thermodynamic Properties of the 2-Methylalkanes, J. Chem. Thermodyn., 1971, 3, 675-87. [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., 1984
Majer, V.; Svoboda, V.; Pechacek, J.; Hala, S., Enthalpies of vaporization and cohesive energies of eight C9 to C11, J. Chem. Thermodyn., 1984, 16, 567-572. [all data]

Osborn and Douslin, 1974
Osborn, Ann G.; Douslin, Donald R., Vapor-pressure relations for 15 hydrocarbons, J. Chem. Eng. Data, 1974, 19, 2, 114-117, https://doi.org/10.1021/je60061a022 . [all data]

Messerly and Finke, 1971, 2
Messerly, J.F.; Finke, H.L., Low-temperature thermal properties of 2-methylheptane and 2-methyldecane: the thermodynamic properties of the 2-methylalkanes, J. Chem. Thermodynam., 1971, 3, 675-687. [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]


Notes

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