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 ion energetics data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
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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

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

Gas Chromatography

Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Normal alkane RI, polar column, temperature ramp

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Normal alkane RI, polar column, custom temperature program

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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.

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]

Bendall, 2001
Bendall, J.G., Aroma compounds of fresh milk from New Zealand cows fed different diets, J. Agric. Food Chem., 2001, 49, 10, 4825-4832, https://doi.org/10.1021/jf010334n . [all data]

Delabre and Bendall, 9999
Delabre, M.-L.; Bendall, J.F., Flavour ingredients from fermented dairy streams, Expression of Multidisciplinary Flavour Sci., 9999, 375-378. [all data]

Notes

Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References

• Symbols used in this document:
  

  AE	Appearance energy

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