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Fragrance

BUTYLIDENEPHTHALIDE

CAS 551-08-6
68

Safety score · 0–100

Fine

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

About

A fragrance ingredient used to shape scent, but its hazard profile points to irritation or sensitization concerns.

This is primarily a perfume material rather than a skin-treatment ingredient. The supplied hazard information points to irritation, sensitization, or acute-toxicity issues, so it sits below the safest fragrance bucket even though use levels in finished formulas are usually low.

Function

PERFUMING

Known concerns

  • Harmful if swallowed
  • Limited public cosmetic safety history

References

EU

EU CosIng database

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

Related fragrances

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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.