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
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• 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
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Gas phase ion energetics 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

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Individual Reactions

 +  = 2 + 

By formula: C₃H₈S₂ + I₂ = 2HI + C₃H₆S₂

C₃H₇S₂^- +  =

By formula: C₃H₇S₂^- + H⁺ = C₃H₈S₂

References

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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

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• 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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