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Propane, 2-methyl-2-(methylthio)-

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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, 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
Tboil373. ± 3.KAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus190.85KN/ALanum and Morris, 1969Uncertainty assigned by TRC = 0.2 K; TRC
Tfus190.9KN/AAnonymous, 1952Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Ttriple190.84KN/AScott, Good, et al., 1962Uncertainty assigned by TRC = 0.02 K; TRC
Ttriple184.86KN/AScott, Good, et al., 1962Metastable crystal phase; Uncertainty assigned by TRC = 0.06 K; TRC
Quantity Value Units Method Reference Comment
Tc569.8KN/AMajer and Svoboda, 1985 
Quantity Value Units Method Reference Comment
Deltavap8.58kcal/molN/AMajer and Svoboda, 1985 
Deltavap8.17kcal/molN/ASawaya, Mokbel, et al., 2004Based on data from 245. - 352. K.; AC
Deltavap8.58kcal/molN/AReid, 1972AC
Deltavap8.56kcal/molVScott, Good, et al., 1962, 2ALS
Deltavap8.58kcal/molN/AScott, Good, et al., 1962, 2DRB

Enthalpy of vaporization

DeltavapH (kcal/mol) Temperature (K) Method Reference Comment
7.522372.1N/AMajer and Svoboda, 1985 
8.72291.N/ADykyj, Svoboda, et al., 1999Based on data from 276. - 397. K.; AC
8.39320.A,EBStephenson and Malanowski, 1987Based on data from 305. - 411. K. See also Scott, Good, et al., 1962, 3 and Osborn and Douslin, 1966.; AC

Enthalpy of vaporization

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

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Temperature (K) A (kcal/mol) beta Tc (K) Reference Comment
330. - 372.12.370.2906569.8Majer and Svoboda, 1985 

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
306.86 - 410.243.966331259.672-54.455Scott, Good, et al., 1962, 2Coefficents calculated by NIST from author's data.

Enthalpy of fusion

DeltafusH (kcal/mol) Temperature (K) Reference Comment
2.011190.84Scott, Good, et al., 1962, 2DH
2.01190.8Domalski and Hearing, 1996AC

Entropy of fusion

DeltafusS (cal/mol*K) Temperature (K) Reference Comment
10.54190.84Scott, Good, et al., 1962, 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.

Lanum and Morris, 1969
Lanum, W.J.; Morris, J.C., Physical Properties of Some Sulfur and Nitrogen Compounds, J. Chem. Eng. Data, 1969, 14, 93-8. [all data]

Anonymous, 1952
Anonymous, R., , Physical Properties of Chemical Substances, Dow Chemical Co., 1952. [all data]

Scott, Good, et al., 1962
Scott, D.W.; Good, W.D.; Todd, S.S.; Messerly, J.F.; Berg, W.T.; Hossenlopp, I.A.; Lacina, J.L.; Osborn, A.G.; McCullough, J.P., 3,3-Dimethyl-2-Thiabutane: Chemical Thermodynamic Properties and Barriers to Internal Rotation, J. Chem. Phys., 1962, 36, 406-12. [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]

Sawaya, Mokbel, et al., 2004
Sawaya, Terufat; Mokbel, Ilham; Rauzy, Evelyne; Saab, Joseph; Berro, Charles; Jose, Jacques, Experimental vapor pressures of alkyl and aryl sulfides, Fluid Phase Equilibria, 2004, 226, 283-288, https://doi.org/10.1016/j.fluid.2004.10.007 . [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]

Scott, Good, et al., 1962, 2
Scott, D.W.; Good, W.D.; Todd, S.S.; Messerly, J.F.; Berg, W.T.; Hossenlopp, I.A.; Lacina, J.L.; Osborn, A.; McCullough, J.P., 3,3-Dimethyl-2-thiabutane: Chemical thermodynamic properties and barriers to internal rotation, J. Chem. Phys., 1962, 36, 406-412. [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]

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]

Scott, Good, et al., 1962, 3
Scott, D.W.; Good, W.D.; Todd, S.S.; Messerly, J.F.; Berg, W.T.; Hossenlopp, I.A.; Lacina, J.L.; Osborn, Ann; McCullough, J.P., 3,3-Dimethyl-2-Thiabutane: Chemical Thermodynamic Properties and Barriers to Internal Rotation, J. Chem. Phys., 1962, 36, 2, 406, https://doi.org/10.1063/1.1732519 . [all data]

Osborn and Douslin, 1966
Osborn, A.G.; Douslin, D.R., Vapor Pressure Relations of 36 Sulfur Compounds Present in Petroleum., J. Chem. Eng. Data, 1966, 11, 4, 502-509, https://doi.org/10.1021/je60031a014 . [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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