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Fragrance

ISOBUTYL 2-NAPHTHYL ETHER

CAS 2173-57-1
58

Safety score · 0–100

Moderate

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

A naphthalene-derived fragrance ether with a sweet, orange-blossom-like odor. Used at trace levels in perfumery; the naphthyl class triggers some aquatic-toxicity and sensitization caveats, so use is conservatively limited.

Function

PERFUMING

Skin benefits

  • Imparts sweet floral-orange-blossom note
  • Used at trace levels in fine fragrance
  • Stable in standard cosmetic bases

Known concerns

  • Naphthyl ethers carry aquatic toxicity flags
  • Limited data on chronic skin exposure
  • Possible skin sensitizer at higher use levels

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.