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BUTYLDIHYDRODIMETHYLPYRAN

CAS 24237-00-1
52

Safety score · 0–100

Moderate

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

About

Butyldihydrodimethylpyran is a cosmetic ingredient used in product formulations. Note: classified as harmful to aquatic environments. Exercise caution due to limited available safety data.

BUTYLDIHYDRODIMETHYLPYRAN is listed in EU Annex III (part 3) as a fragrance allergen with a concentration limit of 0.001% in ready-to-use consumer products where added as a fragrance ingredient. The restriction reflects the EU Cosmetics Regulation requirement to declare allergens on product labels when exceeding specified thresholds.

Known concerns

  • EU Annex III fragrance allergen — 0.001% limit when added as fragrance
  • Required label declaration in the EU

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