Preservative · EU 242

Dimethyl Dicarbonate

FDA status: Approved. EU: Approved. No U.S. state has enacted a specific ban yet.

Low Risk
Score 4 of 5
Dimethyl Dicarbonate: 4/5 (Low Risk)

According to the U.S. Food and Drug Administration, Dimethyl Dicarbonate is FDA-approved, and no U.S. state has moved to restrict it independently of federal policy. Its composite safety score is 4 out of 5 (Low Risk), and the European Union separately classifies it as approved.

Browse all Preservative additives →

The verdict

Dimethyl Dicarbonate is FDA-approved, and no U.S. state has moved to restrict it.

4/5
Low Risk
Approved
FDA status
Approved
EU status
0
state regulations

Dimethyl Dicarbonate (242) is a preservative additive holding a composite safety score of 4 out of 5 (Low Risk). According to the U.S. Food and Drug Administration's Substances Added to Food inventory, it is currently classified as Approved, while the European Union lists it as Approved. It is most commonly used as Processed foods, baked goods, beverages.

No U.S. state has enacted specific legislation targeting Dimethyl Dicarbonate to date, keeping federal FDA classification as the operative standard. State-level food safety legislation remains active nationally, and that picture may shift as new bills advance.

Peer-reviewed research has flagged 1 distinct area of health concern for Dimethyl Dicarbonate, which factors directly into the assigned safety score. The European Food Safety Authority has published an evaluation dated 2015-12-10. All figures above draw on FDA SAFFA inventory records, EU food additive regulation (EC) No 1333/2008, EFSA scientific opinions where published, and legislative records from individual U.S. states.

Regulatory Snapshot

Property Value Source
FDA Status Approved FDA SAFFA
EU Status Approved EC 1333/2008
E-Number 242 EU additive register
CAS Number - CAS Registry
Category Preservative FDA functional class
Composite Safety Score 4 / 5 (Low Risk) PlainIngredients methodology
EFSA ADI Not established EFSA scientific opinion
U.S. State Actions 0 states State legislative records
Tracked Products Not yet tracked Open Food Facts (US)

Values reflect official agency classifications as published by the U.S. Food and Drug Administration and the European Union's regulatory framework. See our methodology for scoring details.

FDA Status

Approved

EU Status

Approved

242

U.S. State Regulations

0 states

None enacted

Safety Assessment

Dimethyl Dicarbonate's 4/5 (Low Risk) score reflects where this specific ingredient lands on that scale. The FDA has approved Dimethyl Dicarbonate for use in food products under specified conditions.

Research has identified 1 area of health concern associated with Dimethyl Dicarbonate. Consumers with specific health conditions should consult a healthcare provider before consuming products containing this ingredient.

How Dimethyl Dicarbonate compares

Where a safety score of 4/5 falls among all 4,509 scored ingredients tracked on PlainIngredients.

Ingredients by safety score (Dimethyl Dicarbonate highlighted)

1/541 ingredients2/543 ingredients3/525 ingredients4/54,369 ingredients5/531 ingredients

4,369 of 4,509 scored ingredients (96.9%) share a safety score of 4/5.

What is Dimethyl Dicarbonate?

DIMETHYL DICARBONATE is an organic compound which is a colorless liquid with a pungent odor at high concentration at room temperature. It is primarily used as a beverage preservative, processing aid, or sterilant

Health Concerns

  • EFSA evaluation: Scientific opinion on the re-evaluation of dimethyl dicarbonate -DMDC, E 242- as a food additive

Common Uses

Processed foods, baked goods, beverages

Frequently Asked Questions

Is Dimethyl Dicarbonate safe to consume?

Dimethyl Dicarbonate has a safety score of 4/5 (Low Risk). It is approved by the FDA for use in food. As with all food additives, moderation is advisable.

Data Sources
  • FDA Substances Added to Food (SAFFA) Inventory
  • EU Food Additive Regulations (EC) No 1333/2008
  • State food safety legislation and bill records

What to do about Dimethyl Dicarbonate

Use the regulatory picture, not a single score, to decide.

  • Check the FDA status (Approved) and EU status (Approved) before assuming it is risk-free. How we score
  • Compare it against the most-restricted additives in the U.S. supply. View rankings
  • Scan a whole ingredient label at once to flag the concerning entries. Label checker

Safety scores summarise regulatory status and published concerns; they are not medical or dietary advice.

Every figure on PlainIngredients is rendered directly from FDA, EU, EFSA and U.S. state regulatory records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.