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Additives

Dimethyl Dicarbonate (E242): What It Is and Is It Safe?

Limited risk Preservative

Used to sterilise beverages in cold conditions. Breaks down rapidly into carbon dioxide and methanol after treatment. Methanol residues are very low but methanol is toxic at high doses. EFSA considers it safe at permitted use levels.

Category
Preservative
Typically used in
Wine, fruit juices, sports drinks, tea beverages
Regulatory status
Approved EU/USA/UK. Trace methanol residue noted.
Also listed as
DMDC
Concerns flagged
Neurotoxicity concern

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Sources

Where this comes from

  1. EFSA (2015) — Scientific opinion on the re-evaluation of dimethyl dicarbonate -DMDC, E 242- as a food additive http://dx.doi.org/10.2903/j.efsa.2015.4319
Products

Products containing Dimethyl Dicarbonate

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