science-softCon uv/vis+ photochemistry database; www.photochemistry.org; (C) science-softCon 2019 Substance: methylglyoxal Other Names: propanal, 2-oxo- Formula: C3H4O2; CH3COCHO CAS-No.: 78-98-8 Study: uv absorption, photolysis, quantum yields Authors: C.N. Plum, R. Atkinson, W.P.L. Carter, J.N. Pitts, Jr. Title: OH Radical Rate Constants and Photolysis Rates of a-Dicarbonyls Journal/Source: Environ. Sci. Technol., 17 (8), 479-484, (1983); DOI: 10.1021/es00114a008 Data: table, diagram Energy/Wavelength range: 230 - 470 nm Resolution: Temperature: 298 K Temperature dependence: no Pressure/Concentration: Phase: pH: Comments: For glyoxal, methylglyoxal, and biacetyl averaged quantum yields for the wavelength region > 290nm of 0.029 ± 0.018, 0.107 ± 0.030, and 0.158 ± 0.024 were derived. Author to whom correspondence should be addressed: (e-mail address):