2-Butanethiol, 2,3-dimethyl-

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

Quantity Value Units Method Reference Comment
Δfgas-147.9 ± 1.0kJ/molCcrGood, 1972Reanalyzed by Pedley, Naylor, et al., 1986, Original value = -147.4 ± 0.84 kJ/mol

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

Quantity Value Units Method Reference Comment
Δfliquid-187.2 ± 1.0kJ/molCcrGood, 1972Reanalyzed by Pedley, Naylor, et al., 1986, Original value = -186.6 ± 0.79 kJ/mol
Quantity Value Units Method Reference Comment
Δcliquid-4777.04 ± 0.67kJ/molCcrGood, 1972 

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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Δvap39.3 ± 0.2kJ/molVGood, 1972ALS
Δvap39.3kJ/molN/AGood, 1972DRB
Δvap39.3 ± 0.1kJ/molN/AGood, 1972See also Osborn and Douslin, 1966.; AC

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
39.3300.N/ADykyj, Svoboda, et al., 1999Based on data from 285. to 318. K.; AC
37.8333.N/ADykyj, Svoboda, et al., 1999Based on data from 318. to 441. K.; AC
37.4343.A,EBStephenson and Malanowski, 1987Based on data from 328. to 441. K. See also Osborn and Douslin, 1966.; 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
328.96 to 440.503.964331354.154-57.203Osborn and Douslin, 1966

Gas Chromatography

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Normal alkane RI, non-polar column, isothermal

View large format table.

Column type Active phase Temperature (C) I Reference Comment
CapillaryDC-20050.801.Leppin, Gollnick, et al., 1969Argon; Column length: 100. m

References

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

Good, 1972
Good, W.D., Enthalpies of combustion of 18 organic sulfur compounds related to petroleum, J. Chem. Eng. Data, 1972, 17, 158-162. [all data]

Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P., Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [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]

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]

Leppin, Gollnick, et al., 1969
Leppin, E.; Gollnick, K.; Schomburg, G., Gas chromatographic identification of isomeric mercaptans, Chromatographia, 1969, 2, 12, 535-540, https://doi.org/10.1007/BF02260096 . [all data]


Notes

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