science-softCon uv/vis+ photochemistry database;	www.photochemistry.org; (C) science-softCon 2019

Substance: glyoxal					Other Names: ethanedial

Formula: C2H2O2						CAS-No.: 107-22-2

Study: uv absorption spectrum, quantum yields


Authors: C.N. Plum, E. Sanhueza, R. Atkinson, W.P.L. Carter, J.N. Pitts Jr.

Title: Hydroxyl radical rate constants and photolysis rates of alpha-dicarbonyls

Journal/Source: Environ. Sci. Technol., 17 (8), 479-484, (1983); DOI: 10.1021/es00114a008


Data: table, diagram

Energy/Wavelength range: 230 - 416 nm

Resolution: 

Temperature: 298 K

Temperature dependence: no

Pressure/Concentration:

Phase:

pH:


Comments: Averaged quantum yields for the wavelength region > 290 nm of 0.029 ± 0.018, 0.107 ± 0.030,
and 0.158 ± 0.024 were derived for glyoxal, methylglyoxal, and biacetyl, respectively.

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