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Fragrance Ingredient

OCTAHYDRO-DIMETHYL-METHYLVINYL-NAPHTHALENE

CAS 4630-07-3
45

Safety score · 0–100

Moderate

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

A woody-amber synthetic fragrance ingredient derived from a hydrogenated naphthalene structure. Used in trace amounts in perfumes, but it carries sensitization and environmental concerns common to its class.

Skin benefits

  • Used as a fragrance and fixative material
  • Provides woody and amber scent notes
  • Helps anchor more volatile fragrance components

Known concerns

  • Naphthalene-derived fragrances often have skin sensitization potential
  • May be subject to IFRA restrictions for use levels
  • Possible photoreactivity in fragrance compositions
  • Limited public toxicology data for this exact isomer
  • Aquatic toxicity typical of polycyclic fragrance materials

References

EU

EU CosIng database

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

Related fragrance ingredients

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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.