1,4-Butanedithiol

• Formula: C₄H₁₀S₂
• Molecular weight: 122.252
• IUPAC Standard InChI: InChI=1S/C4H10S2/c5-3-1-2-4-6/h5-6H,1-4H2 Copy

  
• IUPAC Standard InChIKey: SMTOKHQOVJRXLK-UHFFFAOYSA-N Copy
• CAS Registry Number: 1191-08-8
• 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: Tetramethylenedithiol; 1,4-Dimercaptobutane; Tetramethylene dimercaptan; butane-1,4-dithiol
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• Information on this page:
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • IR Spectrum
  • Mass spectrum (electron ionization)
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Reaction 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 as indicated in comments:
B - John E. Bartmess
ALS - 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

C₄H₉S₂^- +  =

By formula: C₄H₉S₂^- + H⁺ = C₄H₁₀S₂

 +  = 2 + 

By formula: C₄H₁₀S₂ + I₂ = 2HI + C₄H₈S₂

Gas phase ion energetics 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: John E. Bartmess

De-protonation reactions

C₄H₉S₂^- +  =

By formula: C₄H₉S₂^- + H⁺ = C₄H₁₀S₂

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

Kovats' RI, non-polar column, isothermal

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Kovats' RI, non-polar column, custom temperature program

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Kovats' RI, polar column, isothermal

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Kovats' RI, polar column, custom temperature program

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References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Gas Chromatography, Notes

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

Karty, Wu, et al., 2001
Karty, J.M.; Wu, Y.S.; Brauman, J.I., The RS-center dot HSR hydrogen bond: Acidities of alpha,omega- dithiols and electron affinities of their monoradicals, J. Am. Chem. Soc., 2001, 123, 40, 9800-9805, https://doi.org/10.1021/ja0039684 . [all data]

Sunner, 1955
Sunner, S., Strain in 6,8-thioctic acid, Nature (London), 1955, 176, 217. [all data]

Garbuzov, Misharina, et al., 1985
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]

Möckel and Zolg, 1977
Möckel, H.J.; Zolg, M., Retentionsindices n-aliphatischer Schwefelverbindungen, Z. Anal. Chem., 1977, 285, 1, 45-46, https://doi.org/10.1007/BF00446017 . [all data]

Zhu, Wang, et al., 2007
Zhu, X.H.; Wang, W.; Schramm, K.-W.; Niu, W., Prediction of the Kova´ ts Retention Indices of Thiols by Use of Quantum Chemical and Physicochemical Descriptors, Chromatographia, 2007, 65, 11-12, 719-724, https://doi.org/10.1365/s10337-007-0237-3 . [all data]

Notes

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Gas Chromatography, References

• Symbols used in this document:
  

  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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