Methyl glyoxal

• Formula: C₃H₄O₂
• Molecular weight: 72.0627
• IUPAC Standard InChI: InChI=1S/C3H4O2/c1-3(5)2-4/h2H,1H3 Copy

  
• IUPAC Standard InChIKey: AIJULSRZWUXGPQ-UHFFFAOYSA-N Copy
• CAS Registry Number: 78-98-8
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: Pyruvaldehyde; Propanal, 2-oxo-; α-Ketopropionaldehyde; Acetylformaldehyde; Acetylformyl; Pyroracemic aldehyde; Pyruvic aldehyde; 2-Ketopropionaldehyde; 2-Oxopropanal; 1,2-Propanedione; CH3COCHO; Glyoxal, methyl; Propanedione; Propanolone; Propionaldehyde, 2-keto; Propionaldehyde, 2-oxo-; 1-Ketopropionaldehyde; NSC 79019; 2-Oxopropionaldehyde; NSC 626580
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• Information on this page:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Phase change data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, References, Notes

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

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, References, Notes

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

Gas phase ion energetics 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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

Appearance energy determinations

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Gas phase ion energetics data, Notes

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

Moulds and Riley, 1938
Moulds, L.V.; Riley, H.L., The polymerisation of methylglyoxal, J. Chem. Soc., 1938, 621-626. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Neuberg and Hofmann, 1932
Neuberg, C.; Hofmann, E., Uber die Verbrennungswarme des methylglyoxals und damit zusammenhingende fragen, Biochem. Z., 1932, 262, 440-450. [all data]

Reed and Brand, 1958
Reed, R.I.; Brand, J.C.D., Electron impact studies. Part 4. Glyoxal, methylglyoxal and diacetyl, J. Chem. Soc. Faraday Trans., 1958, 54, 478. [all data]

Kimura, Katsumata, et al., 1981
Kimura, K.; Katsumata, S.; Achiba, Y.; Yamazaki, T.; Iwata, S., Ionization energies, Ab initio assignments, and valence electronic structure for 200 molecules in Handbook of HeI Photoelectron Spectra of Fundamental Organic Compounds, Japan Scientific Soc. Press, Tokyo, 1981. [all data]

Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Gas phase ion energetics data, References

• Symbols used in this document:
  

  AE	Appearance energy
  ΔcH°liquid	Enthalpy of combustion of liquid at standard conditions
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔfH°liquid	Enthalpy of formation of liquid at standard conditions

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