Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

NOTICE: Due to scheduled maintenance at our Gaithersburg campus, this site will not be available from 5:00 pm EDT (21:00 UTC) on Friday October 25 until 5:00 pm (21:00 UTC) on Sunday October 27. We apologize for any inconvenience this outage may cause.

Diethyl disulfide

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), References, Notes

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
Deltafgas-17.8 ± 0.84kcal/molCcbVoronkov, Klyuchnikov, et al., 1989 
Deltafgas-17.85 ± 0.25kcal/molCcbHubbard, Douslin, et al., 1958Reanalyzed by Cox and Pilcher, 1970, Original value = -17.42 ± 0.25 kcal/mol

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), References, Notes

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
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Deltafliquid-28.68 ± 0.72kcal/molCcbVoronkov, Klyuchnikov, et al., 1989ALS
Deltafliquid-28.71 ± 0.25kcal/molCcbHubbard, Douslin, et al., 1958Reanalyzed by Cox and Pilcher, 1970, Original value = -28.28 ± 0.24 kcal/mol; ALS
Quantity Value Units Method Reference Comment
Deltacliquid-976.98 ± 0.19kcal/molCcbHubbard, Douslin, et al., 1958Reanalyzed by Cox and Pilcher, 1970, Original value = -976.41 ± 0.19 kcal/mol; ALS
Quantity Value Units Method Reference Comment
liquid72.899cal/mol*KN/AScott, Finke, et al., 1952DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
48.760298.15Scott, Finke, et al., 1952T = 13 to 300 K.; DH

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), References, Notes

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
Tboil425.2KN/AAldrich Chemical Company Inc., 1990BS
Tboil427.2KN/AWeast and Grasselli, 1989BS
Tboil427.2KN/AMajer and Svoboda, 1985 
Tboil427.KN/AMcallan, Cullum, et al., 1951Uncertainty assigned by TRC = 1.5 K; TRC
Quantity Value Units Method Reference Comment
Tfus172.KN/AMcallan, Cullum, et al., 1951Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Ttriple171.64KN/AScott, Finke, et al., 1952, 2Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Tc642.KN/AMajer and Svoboda, 1985 
Quantity Value Units Method Reference Comment
Deltavap10.8 ± 0.1kcal/molAVGN/AAverage of 10 values; Individual data points

Enthalpy of vaporization

DeltavapH (kcal/mol) Temperature (K) Method Reference Comment
8.982427.2N/AMajer and Svoboda, 1985 
10.9302.AStephenson and Malanowski, 1987Based on data from 287. - 434. K.; AC
9.78388.EBStephenson and Malanowski, 1987Based on data from 373. - 431. K. See also Osborn and Douslin, 1966 and Scott, Finke, et al., 1952.; AC
9.78 ± 0.03373.73VScott, Finke, et al., 1952, 3ALS
9.92374.EBWhite, Barnard--Smith, et al., 1952Based on data from 359. - 433. K.; 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)

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Temperature (K) A (kcal/mol) beta Tc (K) Reference Comment
298. - 400.14.560.2744642.Majer and Svoboda, 1985 

Antoine Equation Parameters

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

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Temperature (K) A B C Reference Comment
373.71 - 434.034.094261485.97-64.192Osborn and Douslin, 1966 
273. - 353.4.31191605.244-53.643Scott, Finke, et al., 1952Coefficents calculated by NIST from author's data.

Enthalpy of fusion

DeltafusH (kcal/mol) Temperature (K) Reference Comment
2.2477171.64Scott, Finke, et al., 1952DH
2.2171.6Domalski and Hearing, 1996AC

Entropy of fusion

DeltafusS (cal/mol*K) Temperature (K) Reference Comment
13.10171.64Scott, Finke, et al., 1952DH

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:


Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References, Notes

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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

Diethyl disulfide + Disulfide, dimethyl = 2Methyl ethyl disulfide

By formula: C4H10S2 + C2H6S2 = 2C3H8S2

Quantity Value Units Method Reference Comment
Deltar0.0 ± 0.15kcal/molEqkHaraldson, Olander, et al., 1960liquid phase; solvent: Nonpolar solvent

Di-tert-butyl disulfide + Diethyl disulfide = 2Disulfide, 1,1-dimethylethyl ethyl

By formula: C8H18S2 + C4H10S2 = 2C6H14S2

Quantity Value Units Method Reference Comment
Deltar0.0 ± 0.05kcal/molEqkHaraldson, Olander, et al., 1960liquid phase; solvent: Nonpolar solvent

IR Spectrum

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), References, Notes

Data compiled by: Coblentz Society, Inc.

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


Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, References, Notes

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

Spectrum

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

Mass spectrum
For Zoom
1.) Enter the desired X axis range (e.g., 100, 200)
2.) Check here for automatic Y scaling
3.) Press here to zoom

Additional Data

View image of digitized spectrum (can be printed in landscape orientation).

View spectrum image in SVG format.

Download spectrum in JCAMP-DX format.

Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Japan AIST/NIMC Database- Spectrum MS-NW-3100
NIST MS number 230585

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Notes

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

Voronkov, Klyuchnikov, et al., 1989
Voronkov, M.G.; Klyuchnikov, V.A.; Kolabin, S.N.; Shvets, G.N.; Varusin, P.I.; Deryagina, E.N.; Korchevin, N.A.; Tsvetnitskaya, S.I., Thermochemical properties of diorganyl chalcogenides and dichalcogenides RMnR(M = S, Se, Te; n = 1, 2)., Dokl. Phys. Chem. (Engl. Transl.), 1989, 307, 650-653, In original 1139. [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]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Scott, Finke, et al., 1952
Scott, D.W.; Finke, H.L.; McCullough, J.P.; Gross, M.E.; Pennington, R.E.; Waddington, G., 3,4-Dithiahexane: heat capacity, heats of fusion and vaporization, vapor pressure, entropy, and thermodynamic functions, J. Am. Chem. Soc., 1952, 74, 2478-2483. [all data]

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

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]

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]

Scott, Finke, et al., 1952, 2
Scott, D.W.; Finke, H.L.; McCullough, J.P.; Gross, M.E.; Pennington, R.E.; Waddington, G., 3,4-Dithiahexane: Heat Capacity, Heat of Fusion and Vaporization, Vapor Pressure, Entropy, and Thermodynamic Functions, J. Am. Chem. Soc., 1952, 74, 2478-83. [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]

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]

Scott, Finke, et al., 1952, 3
Scott, D.W.; Finke, H.L.; McCullough, J.P.; Gross, M.E.; Pennington, R.E.; Waddington, G., 3,4-Dithiahexane: Heat capacity, heats of fusion and vaporization, vapor pressure, entropy, and thermodynamic functions, J. Am. Chem. Soc., 1952, 74, 2478-24. [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]

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]

Haraldson, Olander, et al., 1960
Haraldson, L.; Olander, C.J.; Sunner, S.; Varde, K., Equilibrium studies on the disproportionation reaction between some dialkyl disulfides, Acta Chem. Scand., 1960, 14, 1509-1514. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), References