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METHYL ETHYLACETOACETATE

CAS 51756-08-2
81

Safety score · 0–100

Good

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

Methyl Ethylacetoacetate is a cosmetic ingredient used in product formulations. Its specific function may vary between products. Exercise caution due to limited available safety data.

Methyl ethylacetoacetate is a β-keto ester bearing an ethyl substituent, functioning as a fragrance ingredient and formulation solvent in cosmetic products. Its structure is similar to other safe acetoacetate derivatives; no EU cosmetic restrictions apply, and it is not listed in Annexes I–VI of the Cosmetic Regulation. It is considered to have low systemic toxicity at cosmetic-use concentrations.

Skin benefits

  • Fragrance function in cosmetic formulations
  • Solvent properties aid formulation stability

Known concerns

  • Minor skin irritation possible at high concentrations
  • Limited reproductive toxicology data

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

Related others

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.