2(1H)-Quinoxalinone

• Formula: C₈H₆N₂O
• Molecular weight: 146.1460
• IUPAC Standard InChI: InChI=1S/C8H6N2O/c11-8-5-9-6-3-1-2-4-7(6)10-8/h1-5H,(H,10,11) Copy

  
• IUPAC Standard InChIKey: FFRYUAVNPBUEIC-UHFFFAOYSA-N Copy
• CAS Registry Number: 1196-57-2
• Chemical structure:
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• Other names: Quinoxalin-2-one; 2-Hydroxyquinoxaline; 2-Quinoxalinol; 2-Quinoxalinone; 3-Quinoxalinone; 1,2-Dihydroquinoxalin-2-one; 2-Quinoxalone; Quinoxalinone; quinoxalin-2(1H)-one
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• Information on this page:
  • Phase change data
  • Mass spectrum (electron ionization)
  • 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

Enthalpy of fusion

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

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

Monte and Hillesheim, 2000
Monte, Manuel J.S.; Hillesheim, Dorothea M., Thermodynamic Study on the Sublimation of Six Substituted Quinoxalines, J. Chem. Eng. Data, 2000, 45, 6, 1088-1092, https://doi.org/10.1021/je0001577 . [all data]

Ribeiro da Silva, Matos, et al., 2000
Ribeiro da Silva, M.A.V.; Matos, M.A.R.; Rio, C.M.A.; Miranda, M.S.; Morais, V.M.F., Thermochemical and Theoretical Studies of 2-Hydroxyquinoxaline, 2,3-Dihydroxyquinoxaline, and 2-Hydroxy-3-methylquinoxaline, J. Phys. Chem. A, 2000, 104, 28, 6644-6648, https://doi.org/10.1021/jp000694y . [all data]

Notes

Go To: Top, Phase change data, Mass spectrum (electron ionization), References

• Symbols used in this document:
  

  ΔfusH	Enthalpy of fusion
  ΔsubH	Enthalpy of sublimation
  ΔsubH°	Enthalpy of sublimation at standard conditions

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