2(1H)-Quinoxalinone, 3-methyl-

• Formula: C₉H₈N₂O
• Molecular weight: 160.1726
• IUPAC Standard InChI: InChI=1S/C9H8N2O/c1-6-9(12)11-8-5-3-2-4-7(8)10-6/h2-5H,1H3,(H,11,12) Copy

  
• IUPAC Standard InChIKey: BMIMNRPAEPIYDN-UHFFFAOYSA-N Copy
• CAS Registry Number: 14003-34-0
• 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: 2-Hydroxy-3-methylquinoxaline; 3-Methyl-2-quinoxalone; 2-Quinoxalinol, 3-methyl-; 3-Methyl-2-quinoxalinol; 3-Hydroxy-2-methylquinoxaline; USAF el-7; 3-Methyl-2(1H)-quinoxalinone; 3-methylquinoxalin-2-ol; 2-Methyl-3-hydroxyquinoxaline
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• Information on this page:
  • Phase change data
  • IR Spectrum
  • 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

IR Spectrum

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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

Gas Phase Spectrum

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Additional Data

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

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• 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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