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Thiophene, 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
DRB - Donald R. Burgess, Jr.
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
Tboil385.8KN/AWeast and Grasselli, 1989BS
Tboil385.7KN/AMajer and Svoboda, 1985 
Tboil385.15KN/ALevi and Nicholls, 1958Uncertainty assigned by TRC = 1.5 K; TRC
Tboil386.KN/AHaines, Helm, et al., 1956Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Tfus209.77KN/AHaines, Helm, et al., 1956Uncertainty assigned by TRC = 0.06 K; TRC
Quantity Value Units Method Reference Comment
Ttriple209.79KN/APennington, Finke, et al., 1956Uncertainty assigned by TRC = 0.05 K; extrapolate 1/f to zero; TRC
Quantity Value Units Method Reference Comment
Tc606.2KN/AMajer and Svoboda, 1985 
Quantity Value Units Method Reference Comment
Deltavap38.91kJ/molN/AMajer and Svoboda, 1985 
Deltavap38.7kJ/molN/AReid, 1972AC
Deltavap39.8kJ/molN/APennington, Finke, et al., 1956, 2DRB

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
33.9385.7N/AMajer and Svoboda, 1985 
37.2339.A,EBStephenson and Malanowski, 1987Based on data from 324. - 391. K. See also White, Barnard--Smith, et al., 1952 and Dykyj, Svoboda, et al., 1999.; AC
36.8348.IEon, Pommier, et al., 1971Based on data from 333. - 373. K. See also Boublik, Fried, et al., 1984.; AC
38.9343.VPennington, Finke, et al., 1956, 2ALS

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
344. - 386.54.250.2853606.2Majer 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
333.4 - 373.54.843441812.35-10.276Eon, Pommier, et al., 1971Coefficents calculated by NIST from author's data.

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
11.142207.79Pennington, Finke, et al., 1956, 2DH
9.47207.8Pennington, Finke, et al., 1956, 2AC

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
53.62207.79Pennington, Finke, et al., 1956, 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]

Levi and Nicholls, 1958
Levi, L.; Nicholls, R.V.V., Formation of Styrene by Pyrolysis of Aromatic Heterocyclic Aldehyde- Aliphatic Acid Anhydride Mixtures on Morden Bentonite, Ind. Eng. Chem., 1958, 50, 1005. [all data]

Haines, Helm, et al., 1956
Haines, W.E.; Helm, R.V.; Cook, G.L.; Ball, J.S., Purification and Properties of Organic Sulfur Compounds, J. Phys. Chem., 1956, 60, 549-55. [all data]

Pennington, Finke, et al., 1956
Pennington, R.E.; Finke, H.L.; Hubbard, W.N.; Messerly, J.F.; Frow, F.R.; Hossenlopp, I.A.; Waddington, G., The Chemical Thermodynamic Properties of 2-Methylthiophene, J. Am. Chem. Soc., 1956, 78, 2055-60. [all data]

Reid, 1972
Reid, Robert C., Handbook on vapor pressure and heats of vaporization of hydrocarbons and related compounds, R. C. Wilhort and B. J. Zwolinski, Texas A Research Foundation. College Station, Texas(1971). 329 pages.$10.00, AIChE J., 1972, 18, 6, 1278-1278, https://doi.org/10.1002/aic.690180637 . [all data]

Pennington, Finke, et al., 1956, 2
Pennington, R.E.; Finke, H.L.; Hubbard, W.N.; Messerly, J.F.; Frow, F.R.; Hossenlopp, I.A.; Waddington, G., The chemical thermodynamic properties of 2-methylthiophene, J. Am. Chem. Soc., 1956, 78, 2055-2060. [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]

White, Barnard--Smith, et al., 1952
White, P.T.; Barnard--Smith, D.G.; Fidler, F.A., Vapor Pressure--Temperature Relationships of Sulfur Compounds Related to Petroleum, Ind. Eng. Chem., 1952, 44, 6, 1430-1438, https://doi.org/10.1021/ie50510a064 . [all data]

Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R., Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [all data]

Eon, Pommier, et al., 1971
Eon, C.; Pommier, C.; Guiochon, G., Vapor pressures and second virial coefficients of some five-membered heterocyclic derivatives, J. Chem. Eng. Data, 1971, 16, 4, 408-410, https://doi.org/10.1021/je60051a008 . [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]


Notes

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