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METHYL ACETOACETATE

CAS 105-45-3
83

Safety score · 0–100

Good

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

About

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

Methyl acetoacetate is a β-keto ester commonly used as a fragrance intermediate and solvent in cosmetic formulations. It is not listed in any EU Annex restrictions and is generally regarded as safe at typical cosmetic concentrations. It metabolises to acetoacetic acid and methanol, both naturally occurring and of low concern at exposure levels from cosmetic use.

Skin benefits

  • Acts as a fragrance ingredient providing pleasant scent
  • Functions as a solvent helping dissolve other ingredients

References

EU

EU CosIng database

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

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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.