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Fragrance

TRIMETHYL-PENTYL-DIOXANE

CAS 63449-89-8
58

Safety score · 0–100

Moderate

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

A trimethyl-pentyl 1,3-dioxane used in fragrance compositions. PubChem GHS flags possible skin sensitization (H317), so kept low in leave-on products.

Function

PERFUMING

Skin benefits

  • Cyclic acetal fragrance ingredient
  • Provides green/woody fragrance note
  • Stable in cosmetic bases

Known concerns

  • GHS H317 may cause skin sensitization
  • Limited additional public toxicology data
  • Use only at fragrance-trace 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.