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3,4-DIHYDRO-8-METHYLNAPHTHALENONE

CAS 51015-28-2
40

Safety score · 0–100

Moderate

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

3,4-DIHYDRO-8-METHYLNAPHTHALENONE is a cosmetic ingredient used in product formulation. Exercise caution due to limited available safety data.

3,4-Dihydro-8-methylnaphthalenone is a substituted tetralone (tetrahydronaphthalen-1-one) with GHS hazard statements H315 (skin irritant), H319 (eye irritant), and H335 (respiratory irritant). The 1-oxo-tetraline structure provides a reactive conjugated ketone system capable of acting as a Michael acceptor, which is a structural alert for sensitization.

Known concerns

  • GHS: H315 skin irritant, H319 eye irritant, H335 respiratory irritant
  • Alpha,beta-unsaturated ketone structural alert for sensitization
  • Reactive aromatic ketone not suitable for leave-on cosmetics

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, so always read the physical product label and consult a healthcare professional for personal concerns.