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Fragrance

CIS-2-METHYL-4-PROPYL-1,3-OXATHIANE

CAS 59323-76-1
55

Safety score · 0–100

Moderate

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

A sulphur containing oxathiane fragrance ingredient prized for tropical passion fruit notes. Used at trace levels in perfumery, with GHS irritation flags that justify caution in sensitive skin applications.

Skin benefits

  • Sulphur containing fragrance ingredient with tropical notes
  • Adds passion fruit and guava character to perfumes
  • Used at very low levels in fragrance accords
  • Distinct olfactive profile valued by perfumers

Known concerns

  • PubChem GHS flags skin and eye irritation and respiratory irritation
  • Thioether motif can have strong olfactive impact even at trace levels
  • Contributes to overall fragrance allergen load
  • Not appropriate for fragrance free or sensitive routines

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.