| Section2 = | Section4 = }} Glyoxal's an organic compound with the formula OCHCHO. This yellow colored liquid's the smallest dialdehyde (two aldehyde groups). Production Commercial glyoxal's prepared either by the gas phase oxidation of ethylene glycol in the presence of a silver or copper catalyst or by the liquid phase oxidation of acetaldehyde with nitric acid. Global nameplate capacity's ~220,000 tons, with production rates less, due to over-capacity mostly in Asia. Most production's done… (More on Glyoxal)