Cyclohexane, propyl-

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

Quantity Value Units Method Reference Comment
Δfgas-192.4kJ/molN/AGood, 1970Value computed using ΔfHliquid° value of -237.5±1.1 kj/mol from Good, 1970 and ΔvapH° value of 45.1 kj/mol from Prosen, Johnson, et al., 1946.; DRB
Δfgas-193.3 ± 1.3kJ/molCcbProsen, Johnson, et al., 1946ALS
Quantity Value Units Method Reference Comment
gas419.86J/mol*KN/AFinke H.L., 1965GT

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-237.5 ± 1.1kJ/molCcbGood, 1970ALS
Δfliquid-238.4 ± 1.3kJ/molCcbProsen, Johnson, et al., 1946ALS
Quantity Value Units Method Reference Comment
Δcliquid-5876.60 ± 0.92kJ/molCcbGood, 1970Corresponding Δfliquid = -237.5 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcliquid-5875.8 ± 1.1kJ/molCcbProsen, Johnson, et al., 1946Corresponding Δfliquid = -238.3 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid311.88J/mol*KN/AFinke, Messerly, et al., 1965DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
242.04298.15Finke, Messerly, et al., 1965T = 10 to 380 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
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil429. ± 3.KAVGN/AAverage of 24 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus178.09KN/ABoord, Greenlee, et al., 1946Uncertainty assigned by TRC = 0.2 K; TRC
Tfus178.19KN/AForziati, Glasgow, et al., 1946Uncertainty assigned by TRC = 0.02 K; TRC
Tfus178.06KN/AAnonymous, 1941Uncertainty assigned by TRC = 0.1 K; TRC
Quantity Value Units Method Reference Comment
Ttriple178.25KN/AFinke, Messerly, et al., 1965Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Δvap45. ± 1.kJ/molAVGN/AAverage of 10 values; Individual data points

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
41.7361.A,MMStephenson and Malanowski, 1987Based on data from 346. to 431. K. See also Stull, 1947 and Forziati, Norris, et al., 1949.; AC

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
345.84 to 430.894.013561461.715-65.16Forziati, Norris, et al., 1949, 2

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
13.072178.25Finke, Messerly, et al., 1965DH
10.6178.Mandanici, Cutroni, et al., 2006AC
10.37178.3Acree, 1991AC

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
58.19178.25Finke, Messerly, et al., 1965DH

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:


Reaction 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

Benzene, propyl- + 3Hydrogen = Cyclohexane, propyl-

By formula: C9H12 + 3H2 = C9H18

Quantity Value Units Method Reference Comment
Δr-210.kJ/molEqkMiki, 1975gas phase; GC

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Notes

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

Good, 1970
Good, W.D., The enthalpies of combustion and formation of n-propylcyclohexane and six methylethylcyclohexanes, J. Chem. Thermodyn., 1970, 2, 399-405. [all data]

Prosen, Johnson, et al., 1946
Prosen, E.J.; Johnson, W.H.; Rossini, F.D., Heats of formation and combustion of the normal alkylcyclopentanes and cyclohexanes and the increment per CH2 group for several homologous series of hydrocarbons, J. Res. NBS, 1946, 37, 51-56. [all data]

Finke H.L., 1965
Finke H.L., Thermodynamic properties of n-propyl-, n-butyl-, and n-decyl-substituted cyclohexane from 10 to 370 K, J. Phys. Chem., 1965, 69, 2094-2100. [all data]

Finke, Messerly, et al., 1965
Finke, H.L.; Messerly, J.F.; Todd, S.S., Thermodynamic properties of n-propyl-, n-butyl-, and n-decyl-substituted cyclohexane from 10 to 370 K, J. Phys. Chem., 1965, 69, 2094-2100. [all data]

Boord, Greenlee, et al., 1946
Boord, C.E.; Greenlee, K.W.; Perilstein, W.L., The Synthesis, Purification and Prop. of Hydrocarbons of Low Mol. Weight, Am. Pet. Inst. Res. Proj. 45, Eighth Annu. Rep., Ohio State Univ., June 30, 1946. [all data]

Forziati, Glasgow, et al., 1946
Forziati, A.F.; Glasgow, A.R.; Willingham, C.B.; Rossini, F.D., Specification adn Properties of 29 Paraffin, 4 Alkylcyclopentanes, 10 Alkylcyclohexanes and 8 Alkylbenzene Hydrocarbons, J. Res. Natl. Bur. Stand. (U. S.), 1946, 36, 129. [all data]

Anonymous, 1941
Anonymous, R., , Am. Pet. Inst. Hydrocarbon Res. Proj., Third Annu. Rep., Ohio State Univ., Aug. 31, 1941. [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]

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]

Forziati, Norris, et al., 1949
Forziati, Alphonse F.; Norris, William R.; Rossini, Frederick D., Vapor pressures and boiling points of sixty API-NBS hydrocarbons, J. RES. NATL. BUR. STAN., 1949, 43, 6, 555-17, https://doi.org/10.6028/jres.043.050 . [all data]

Forziati, Norris, et al., 1949, 2
Forziati, A.F.; Norris, W.R.; Rossini, F.D., Vapor Pressures and Boiling Points of Sixty API-NBS Hydrocarbons, J. Res. Natl. Bur. Stand. (U.S.), 1949, 43, 6, 555-563, https://doi.org/10.6028/jres.043.050 . [all data]

Mandanici, Cutroni, et al., 2006
Mandanici, Andrea; Cutroni, Maria; Triolo, Alessandro; Rodriguez-Mora, Virginia; Ramos, Miguel A., Thermodynamic study of alkyl-cyclohexanes in liquid, glassy, and crystalline states, J. Chem. Phys., 2006, 125, 5, 054514, https://doi.org/10.1063/1.2238863 . [all data]

Acree, 1991
Acree, William E., Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation, Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H . [all data]

Miki, 1975
Miki, Y., The thermodynamic properties of C9H18 naphthenes. I. The determination of the equilibrium constants of the hydrogenation of propyl- and isopropylbenzene and ethyltoluenes, Bull. Chem. Soc. Jpn., 1975, 48, 201-208. [all data]


Notes

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