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TRIMETHYL-PENTYLCYCLOPENTANONE

CAS 65443-14-3
45

Safety score · 0–100

Moderate

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

About

TRIMETHYL-PENTYLCYCLOPENTANONE is a cosmetic ingredient used in product formulation. Exercise caution due to limited available safety data.

Trimethyl-Pentylcyclopentanone (also known under trade names such as Vanoris) is a synthetic cyclopentanone derivative used as a fragrance ingredient. Its primary hazard classification is environmental: H411 (aquatic chronic toxicity). The overall substitution pattern may also contribute to bioavailability concerns in aquatic organisms.

Skin benefits

  • Provides musky, fruity fragrance notes in cosmetic formulations

Known concerns

  • GHS H411: toxic to aquatic life with long-lasting effects
  • Environmental hazard limits use in products washed down the drain
  • Environmental persistence is a regulatory concern in the EU

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.