Diethyl disulfide

• Formula: C₄H₁₀S₂
• Molecular weight: 122.252
• IUPAC Standard InChI: InChI=1S/C4H10S2/c1-3-5-6-4-2/h3-4H2,1-2H3 Copy

  
• IUPAC Standard InChIKey: CETBSQOFQKLHHZ-UHFFFAOYSA-N Copy
• CAS Registry Number: 110-81-6
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Other names: Disulfide, diethyl; Ethyl disulfide; Ethyldithioethane; 3,4-Dithiahexane; Diethyl disulphide; (C2H5S)2; Diethyldisulfid; Ethyl disulphide; NSC 8839; 1-(Ethyldisulfanyl)ethane
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• Information on this page:
  • Phase change data
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Reaction thermochemistry data
  • Henry's Law data
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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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

Enthalpy of vaporization

Enthalpy of vaporization

Δ_vapH = A exp(-βT_r) (1 − T_r)^β
    Δ_vapH = Enthalpy of vaporization (at saturation pressure) (kJ/mol)
    T_r = reduced temperature (T / T_c)

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Antoine Equation Parameters

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

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Enthalpy of fusion

Entropy of fusion

Gas Chromatography

Go To: Top, Phase change data, 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

Kovats' RI, non-polar column, isothermal

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Kovats' RI, polar column, isothermal

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Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Van Den Dool and Kratz RI, non-polar column, custom temperature program

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Van Den Dool and Kratz RI, polar column, temperature ramp

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Normal alkane RI, non-polar column, isothermal

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Normal alkane RI, non-polar column, temperature ramp

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Normal alkane RI, non-polar column, custom temperature program

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Normal alkane RI, polar column, temperature ramp

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Normal alkane RI, polar column, custom temperature program

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References

Go To: Top, Phase change data, Gas Chromatography, Notes

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

Aldrich Chemical Company Inc., 1990
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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
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]

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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, 2
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]

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]

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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]

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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]

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Garbuzov, V.G.; Misharina, T.A.; Aerov, A.F.; Golovnya, R.V., Gas chromatographic retention indices for sulphur(II)-containing organic substances, J. Anal. Chem. USSR (Engl. Transl.), 1985, 40, 4, 576-586. [all data]

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Selli, S.; Rannou, C.; Prost, C.; Robin, J.; Serot, T., Characterization of Aroma-Active Compounds in Rainbow Trout (Oncorhynchus mykiss) Eliciting an Off-Odor, J. Agric. Food Chem., 2006, 54, 25, 9496-9502, https://doi.org/10.1021/jf0619582 . [all data]

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Notes

Go To: Top, Phase change data, Gas Chromatography, References

• Symbols used in this document:
  

  Tboil	Boiling point
  Tc	Critical temperature
  Tfus	Fusion (melting) point
  Ttriple	Triple point temperature
  ΔfusH	Enthalpy of fusion
  ΔfusS	Entropy of fusion
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions

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