Butylated Hydroxytoluene E321
synthetic — Primarily synthetic.
2,6-Di-tert-butyl-4-methylphenol
CAS: 128-37-0
Factual Regulatory Reference
This database provides factual regulatory information compiled from official government sources. It does not constitute medical, nutritional, or safety advice. Regulatory status varies by country and is subject to change. Always refer to your local regulatory authority for the most current information.
? Did You Know?
Beyond food, Butylated Hydroxytoluene is also used in cosmetics, medicine, industrial applications, household products. Its versatility makes it one of the most multi-purpose chemical compounds in everyday life.
Detailed Regulatory Assessment
European Union (EFSA)
Restricted use; maximum levels typically 100-200 mg/kg
United States (FDA)
Limited to specified levels in specific foods
Japan (MHLW)
Compliant with Japanese food sanitation law.
Acceptable Daily Intake (ADI)
International Standard (JECFA)
mg/kg body weight per day
European Standard (EFSA)
Natural Occurrence
This additive is not known to occur naturally in significant quantities.
Manufacturing
Synthesized by alkylation of p-cresol with isobutylene in the presence of an acid catalyst.
Applications Beyond Food
Widely used in lipsticks, moisturizers, and other cosmetics as an antioxidant.
Used in pharmaceutical preparations to prevent oxidation.
Used in jet fuels, rubber, petroleum products, and electrical transformer oil.
Found in food packaging materials and some household products