Diacetyl sulphide

• Formula: C₄H₆O₂S
• Molecular weight: 118.154
• IUPAC Standard InChI: InChI=1S/C4H6O2S/c1-3(5)7-4(2)6/h1-2H3 Copy

  
• IUPAC Standard InChIKey: DPCQJLQPDJPRCM-UHFFFAOYSA-N Copy
• CAS Registry Number: 3232-39-1
• 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: 1,1'-Thiobis-(ethane-1-one); (CH3CO)2S; Acetyl sulfide; Ethanethioic acid, anhydrosulfide; acetic thioanhydride
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• Information on this page:
  • Reaction thermochemistry data
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Phase change data
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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Individual Reactions

=  + 

By formula: C₄H₆O₂S = C₂H₂O + C₂H₄OS

 +  =

By formula: C₂H₂O + C₂H₄OS = C₄H₆O₂S

Mass spectrum (electron ionization)

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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

Spectrum

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Additional Data

References

Go To: Top, Reaction thermochemistry data, 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.

Blake and Speis, 1974
Blake, P.G.; Speis, A., Reactions of keten. Part IV. Kinetics and thermodynamics of the gas-phase reaction: Thioacetic acid + keten = acetic Thioanhydride, J. Chem. Soc. Perkin Trans. 2, 1974, 1879-1881. [all data]

Notes

Go To: Top, Reaction thermochemistry data, Mass spectrum (electron ionization), References

• Symbols used in this document:
  

  ΔrH°	Enthalpy of reaction at standard conditions

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