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Ethanethiol

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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
Tboil309. ± 1.KAVGN/AAverage of 13 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus126.080KN/ADenyer, Fidler, et al., 1949Uncertainty assigned by TRC = 0.1 K; TRC
Tfus125.9KN/ATeets, 1934Uncertainty assigned by TRC = 0.5 K; TRC
Tfus125.9KN/AEllis and Reid, 1932Uncertainty assigned by TRC = 0.4 K; TRC
Tfus126.15KN/ATimmermans and Mattaar, 1921Uncertainty assigned by TRC = 0.6 K; TRC
Quantity Value Units Method Reference Comment
Ttriple125.25KN/AFinke, McCullough, et al., 1970Uncertainty assigned by TRC = 0.02 K; TRC
Ttriple125.26KN/AMcCullough, Scott, et al., 1952Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Tc499.KN/AMajer and Svoboda, 1985 
Tc498.7KN/ABerthoud and Brum, 1924Uncertainty assigned by TRC = 0.4 K; by disappearance of meniscus; TRC
Tc498.8KN/ABerthoud and Brum, 1924Uncertainty assigned by TRC = 0.4 K; by appearance of turbidity; TRC
Quantity Value Units Method Reference Comment
Pc54.18atmN/ABerthoud and Brum, 1924Uncertainty assigned by TRC = 0.5000 atm; vapor pressure at Tc; TRC
Quantity Value Units Method Reference Comment
rhoc4.822mol/lN/ABerthoud and Brum, 1924Uncertainty assigned by TRC = 0.03 mol/l; TRC
Quantity Value Units Method Reference Comment
Deltavap6.577kcal/molN/AMajer and Svoboda, 1985 
Deltavap6.52kcal/molN/AReid, 1972AC
Deltavap6.58kcal/molVMcCullough, Hubbard, et al., 1957ALS
Deltavap6.57kcal/molN/AMcCullough, Hubbard, et al., 1957DRB
Deltavap6.53 ± 0.02kcal/molVMcCullough, Scott, et al., 1952, 2ALS

Enthalpy of vaporization

DeltavapH (kcal/mol) Temperature (K) Method Reference Comment
6.403308.2N/AMajer and Svoboda, 1985 
6.79288.AStephenson and Malanowski, 1987Based on data from 273. - 313. K.; AC
6.57318.AStephenson and Malanowski, 1987Based on data from 303. - 375. K.; AC
6.29380.AStephenson and Malanowski, 1987Based on data from 265. - 448. K.; AC
6.36457.AStephenson and Malanowski, 1987Based on data from 442. - 499. K.; AC
6.79288.A,EBStephenson and Malanowski, 1987Based on data from 273. - 339. K. See also McCullough, Scott, et al., 1952, 3 and Osborn and Douslin, 1966.; AC
6.79288.N/AOsborn and Douslin, 1966Based on data from 273. - 339. K.; AC
6.86306.N/AThompson and Linnett, 1935AC

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
281. - 308.9.7560.2669499.Majer 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
273.6 - 339.264.071251084.531-41.765Osborn and Douslin, 1966 
308. - 493.4.440121330.977-8.272Stull, 1947Coefficents calculated by NIST from author's data.

Enthalpy of fusion

DeltafusH (kcal/mol) Temperature (K) Reference Comment
1.189195.26McCullough, Scott, et al., 1952, 3DH
1.19195.3Domalski and Hearing, 1996AC

Entropy of fusion

DeltafusS (cal/mol*K) Temperature (K) Reference Comment
6.090195.26McCullough, Scott, et al., 1952, 3DH

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.

Denyer, Fidler, et al., 1949
Denyer, R.L.; Fidler, F.A.; Lowry, R.A., Azeotrope Formation Between Thiols and Hydrocarbons, Ind. Eng. Chem., 1949, 41, 2727-37. [all data]

Teets, 1934
Teets, D.E., The Relation of the Melting Point to the Number of Carbon Atoms in a Series of Normal Mercaptans, J. Am. Chem. Soc., 1934, 56, 1143. [all data]

Ellis and Reid, 1932
Ellis, L.M.; Reid, E.E., The Preparation and Properties of A Double Series of Aliphatic Mercaptans, J. Am. Chem. Soc., 1932, 54, 1674. [all data]

Timmermans and Mattaar, 1921
Timmermans, J.; Mattaar, J.F., Freezing points of orgainic substances VI. New experimental determinations., Bull. Soc. Chim. Belg., 1921, 30, 213. [all data]

Finke, McCullough, et al., 1970
Finke, H.L.; McCullough, J.P.; Messerly, J.F.; Guthrie, G.B.; Douslin, D.R., Chemical thermodynamic properties for 1-alkanethiols, J. Chem. Thermodyn., 1970, 2, 27. [all data]

McCullough, Scott, et al., 1952
McCullough, J.P.; Scott, D.W.; Finke, H.L.; Gross, M.E.; Williamson, K.D.; Pennington, R.E.; Waddington, G.; Huffman, H.M., Ethanethiol (ethyl mercaptan) thermodynamic properties in the solid, liquid and vapor states thermodynamic functions to 1000k, J. Am. Chem. Soc., 1952, 74, 2801-4. [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]

Berthoud and Brum, 1924
Berthoud, A.; Brum, R., Physical Properties of Some Organic Compounds., J. Chim. Phys. Phys.-Chim. Biol., 1924, 21, 143-60. [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]

McCullough, Hubbard, et al., 1957
McCullough, J.P.; Hubbard, W.N.; Frow, F.R.; Hossenlopp, I.A.; Waddington, G., Ethanethiol and 2-thiapropane: Heats of formation and isomerization; the chemical thermodynamic properties from 0 to 1000°K, J. Am. Chem. Soc., 1957, 79, 561-566. [all data]

McCullough, Scott, et al., 1952, 2
McCullough, J.P.; Scott, D.W.; Finke, H.L.; Gross, M.E.; Williamson, K.D.; Pennington, R.E.; Waddington, G.; Huffman, H.M., Ethanethiol (ethyl mercaptan): Thermodynamic properties in the solid, liquid and vapor states. Thermodynamic functions to 1000°K, J. Am. Chem. Soc., 1952, 74, 2801-28. [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]

McCullough, Scott, et al., 1952, 3
McCullough, J.P.; Scott, D.W.; Finke, H.L.; Gross, M.E.; Williamson, K.D.; Pennington, R.E.; Waddington, G.; Huffman, H.M., Ethanethiol (ethyl mercaptan): thermodynamic properties in the solid, liquid and vapor states. Thermodynamic functions to 1000K, J. Am. Chem. Soc., 1952, 74, 2801-2804. [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]

Thompson and Linnett, 1935
Thompson, H.W.; Linnett, J.W., The vapour pressures of some alkyl sulphides, Trans. Faraday Soc., 1935, 31, 1743, https://doi.org/10.1039/tf9353101743 . [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]

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

Go To: Top, Phase change data, References