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3-BUTYL-4-METHYLPHENYL METHYL KETONE

CAS 67663-03-0
52

Safety score · 0–100

Moderate

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

About

3-butyl-4-methylphenyl Methyl Ketone is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.

This alkylphenyl ketone serves as a fragrance raw material. Aromatic ketones in this structural class frequently require IFRA safety evaluation due to potential skin sensitization. The butyl and methyl substituents increase lipophilicity which may influence skin penetration and allergenic potential. EU cosmetic regulation requires this type of ingredient to be declared when present above threshold levels as a known fragrance allergen.

Skin benefits

  • fragrance function

Known concerns

  • skin sensitizer potential
  • fragrance allergen disclosure required

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.