C4H6O5
134.09 g/mol
Food AdditiveDanger
Dimethyl dicarbonate
CAS4525-33-1EC224-859-8
Category
Food Additive
Compound Class
Ester
Primary Use
Food preservative and sterilizing agent
Dimethyl dicarbonate (DMDC) is an organooxygen compound functionally related to carbonic acid, commonly used as a cold sterilizing agent for beverages. It acts as a food preservative and fungicide with a broad antimicrobial range against yeasts, molds, and bacteria.
Cold sterilization agent for soft drinks and winesPreservative in unstandardized water-based non-alcoholic beverages such as ready-to-drink teas, fruit-flavored sports drinks, energy drinks, and carbonated flavored soft drinksControl of spoilage yeast such as Brettanomyces and reduction of sulfur dioxide use in wines
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
Safety Reference
Danger
H226Flammable liquid and vapour
H302Harmful if swallowed
H312Harmful in contact with skin
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
H330Fatal if inhaled
Customs Tariff Classification
The international HS code for Dimethyl dicarbonate (CAS 4525-33-1) is 2920.90.
HS code (international, 6-digit)
2920.90
EU CN code (8-digit)
2920 90 10
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
methoxycarbonyl methyl carbonate
InChIKey
GZDFHIJNHHMENY-UHFFFAOYSA-N
SMILES
COC(=O)OC(=O)OC
Synonyms (19)
- DMDC
- E-242
- Dimethyl oxydiformate
- Dimethyl pyrocarbonate
- INS NO.242
- Methyl pyrocarbonate
- Velcorin
- dimethyl dicarbonate
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