3,4-DIHYDRO-7-METHYLNAPHTHALENONE

40

Caution

CAS Number: 22009-37-6

About 3,4-DIHYDRO-7-METHYLNAPHTHALENONE

3,4-DIHYDRO-7-METHYLNAPHTHALENONE is a cosmetic ingredient used in product formulation. Exercise caution due to limited available safety data.

Detailed Analysis

3,4-Dihydro-7-methylnaphthalenone is the 7-methyl positional isomer of the dihydro-methylnaphthalenone series. It carries GHS hazard statements H315 (skin irritant), H319 (eye irritant), and H335 (respiratory irritant). Like its isomers, the conjugated ketone system within the tetralin structure provides Michael acceptor reactivity that can lead to sensitization.

Known Concerns

  • ⚠ GHS: H315 skin irritant, H319 eye irritant, H335 respiratory irritant
  • ⚠ Alpha,beta-unsaturated ketone structural alert for sensitization
  • ⚠ Not suitable for leave-on cosmetic products without very low concentration use

Safety Score

40

Caution

Based on EU regulatory data, published safety research, and ingredient function analysis.

References

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EU CosIng Database

European Commission cosmetic ingredient registry

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This information is for educational purposes only and does not constitute medical advice. Always consult a healthcare professional for skin concerns or allergies.