1,3-Propanedithiol

• Formula: C₃H₈S₂
• Molecular weight: 108.226
• IUPAC Standard InChI: InChI=1S/C3H8S2/c4-2-1-3-5/h4-5H,1-3H2 Copy

  
• IUPAC Standard InChIKey: ZJLMKPKYJBQJNH-UHFFFAOYSA-N Copy
• CAS Registry Number: 109-80-8
• 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: Dithiotrimethyleneglycol; Trimethylene dimercaptan; Trimethylenedithioglycol; Trimethylenedithiol; 1,3-Dimercaptopropane; 1,3-Propanedimercaptan; NDR-132; propane-1,3-dithiol
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• Information on this page:
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
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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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
B - John E. Bartmess

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

 +  = 2 + 

By formula: C₃H₈S₂ + I₂ = 2HI + C₃H₆S₂

C₃H₇S₂^- +  =

By formula: C₃H₇S₂^- + H⁺ = C₃H₈S₂

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

C₃H₇S₂^- +  =

By formula: C₃H₇S₂^- + H⁺ = C₃H₈S₂

References

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

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

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

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]

Notes

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