1,2-Cyclobutanedione

• Formula: C₄H₄O₂
• Molecular weight: 84.0734
• IUPAC Standard InChI: InChI=1S/C4H4O2/c5-3-1-2-4(3)6/h1-2H2 Copy

  
• IUPAC Standard InChIKey: QDMRCCGQLCIMLG-UHFFFAOYSA-N Copy
• CAS Registry Number: 33689-28-0
• Chemical structure:
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• Information on this page:
  • Phase change data
  • References
  • Notes
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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 by: William E. Acree, Jr., James S. Chickos

Enthalpy of sublimation

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.

Cao and Back, 1985
Cao, J.-R.; Back, R.A., The thermal decomposition of cyclobutane-1,2-dione, Can. J. Chem., 1985, 63, 11, 2945-2948, https://doi.org/10.1139/v85-488 . [all data]

Notes

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• Symbols used in this document:
  

  ΔsubH

  Enthalpy of sublimation

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