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Disulfide, dimethyl

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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
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
Tboil382.9KN/AWeast and Grasselli, 1989BS
Tboil382.9KN/AMajer and Svoboda, 1985 
Tboil381.15KN/APryor and Platt, 1963Uncertainty assigned by TRC = 1.5 K; TRC
Tboil383.KN/AMcallan, Cullum, et al., 1951Uncertainty assigned by TRC = 1.5 K; TRC
Tboil0.KN/ATrotter and Thompson, 1946TRC
Quantity Value Units Method Reference Comment
Tfus188.5KN/AMcallan, Cullum, et al., 1951Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Ttriple188.44KN/AScott, Finke, et al., 1950Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Tc615.0KN/AAnselme and Teja, 1990Uncertainty assigned by TRC = 50. K; Tc > 615 K, which was observed with decomposition; TRC
Tc605.7KN/AMajer and Svoboda, 1985 
Quantity Value Units Method Reference Comment
Deltavap38.2 ± 0.6kJ/molAVGN/AAverage of 9 values; Individual data points

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
33.78382.9N/AMajer and Svoboda, 1985 
37.8312.AStephenson and Malanowski, 1987Based on data from 297. - 402. K.; AC
36.0 ± 0.1341.CHubbard, Douslin, et al., 1958AC
34.9 ± 0.1360.CHubbard, Douslin, et al., 1958AC
33.7 ± 0.1383.CHubbard, Douslin, et al., 1958AC
36.7336.EBWhite, Barnard--Smith, et al., 1952Based on data from 321. - 388. K.; AC
36.2349.N/AScott, Finke, et al., 1950, 2Based on data from 334. - 401. K.; AC
38.2303.N/AScott, Finke, et al., 1950, 2Based on data from 288. - 333. K.; AC

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
298. - 383.50.50.2463605.7Majer 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
273. - 333.4.195931397.604-49.163Scott, Finke, et al., 1950, 2Coefficents calculated by NIST from author's data.
334.56 - 401.764.08861337.656-55.267Scott, Finke, et al., 1950, 2Coefficents calculated by NIST from author's data.

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
9.1927188.44Scott, Finke, et al., 1950, 2DH
9.19188.4Domalski and Hearing, 1996AC

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
48.78188.44Scott, Finke, et al., 1950, 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]

Pryor and Platt, 1963
Pryor, W.A.; Platt, P.K., Reaction of radicals V. Reaction of Phenyl Radicals with Aliphatic Disulfides, J. Am. Chem. Soc., 1963, 85, 1496. [all data]

Mcallan, Cullum, et al., 1951
Mcallan, D.T.; Cullum, T.V.; Dean, R.A.; Fidler, F.A., The Preparation and Properties of Sulfur Compounds Related to Petroleum I. The Dialkyl Sulfides and Disulfides, J. Am. Chem. Soc., 1951, 73, 3627-32. [all data]

Trotter and Thompson, 1946
Trotter, I.F.; Thompson, H.W., Infrared SPectra of Thiols, Sulfides, and Disulfides, J. Chem. Soc., 1946, 1946, 481. [all data]

Scott, Finke, et al., 1950
Scott, D.W.; Finke, H.L.; Gross, M.E.; Guthrie, G.B.; Huffman, H.M., 2,3-Dithiabutane: Low Temperature Heat Capacity, Heat of Fusion, Heat of Vaporization, Vapor Pressure, Entropy and Thermodynamic Functions, J. Am. Chem. Soc., 1950, 72, 2424-30. [all data]

Anselme and Teja, 1990
Anselme, M.J.; Teja, A.S., The critical properties of rapidly reacting substances, AIChE Symp. Ser., 1990, 86, 279, 128-32. [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]

Hubbard, Douslin, et al., 1958
Hubbard, W.N.; Douslin, D.R.; McCullough, J.P.; Scott, D.W.; Todd, S.S.; Messerly, J.F.; Hossenlopp, I.A.; George, A.; Waddington, G., 2,3-dithiabutane, 3,4-dithiahexane and 4,5-dithiaoctane: Chemical thermodynamic properties from 0 to 1000°K, J. Am. Chem. Soc., 1958, 80, 3547-3554. [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]

Scott, Finke, et al., 1950, 2
Scott, D.W.; Finke, H.L.; Gross, M.E.; Guthrie, G.B.; Huffman, H.M., 2,3-Dithiabutane: low temperature heat capacity, heat of fusion, heat of vaporization, vapor pressure, entropy and thermodynamic functions, J. Am. Chem. Soc., 1950, 72, 2424-2430. [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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