Used for cold sterilisation of beverages. Effective against typical beverage-spoiling microorganisms, like yeasts and fermentative bacteria Dimethyl carbonate, often abbreviated DMC, is a flammable clear liquid boiling at 90 °C. It has recently found use as a methylating reagent. Its main benefit over other methylating reagents such as iodomethane and dimethyl sulfate is its lesser toxicity and its biodegradability. Also, it is now prepared from catalytic oxidative carbonylation of methanol with carbon monoxide and oxygen, instead of from phosgene making its production non-toxic and environmentally friendly. This allows dimethyl carbonate to be considered a green reagent.