E242 Dimethyl dicarbonate — is it halal?
Description
Dimethyl dicarbonate — synthesis from methyl chloroformate (methanol + phosgene) and alkali in an organic solvent with a phase-transfer catalyst. Possible links: methanol (c2); fatty amines and quaternary ammonium salts — catalysts with C6–C25 chains, chain source not named (c4, c5); a catalyst of undisclosed composition (c6); gelatin (species not named) in an anion-exchange resin catalyst per a 2024 patent (c7, c8)
Names: Диметилдикарбонат · Dimethyl dicarbonate · ثنائيّ ميثيل ثنائيّ الكربونات
Also known as: DMDC, E 242, E-242, Е242, INS 242, Velcorin, ثنائي ميثيل ثنائي الكربونات
Category: Preservatives
Regulatory source: EU 1333/2008
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