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CIS-3-HEXENYL FORMATE

CAS 33467-73-1
68

Safety score · 0–100

Fine

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

A green-leaf volatile ester providing fresh, grassy scent notes in fragrance compositions. Like many green note compounds, it has low acute toxicity but is considered a potential fragrance allergen.

cis-3-Hexenyl formate is a straight-chain unsaturated ester found naturally in many fruits and green plants. In the EU, it is classified as a fragrance substance with potential for sensitization; the International Fragrance Association (IFRA) provides usage guidelines. It is not listed in CosIng Annex III restrictions but must be declared as a fragrance allergen in finished cosmetic products above threshold levels under Regulation (EC) No 1223/2009.

Known concerns

  • potential fragrance allergen — EU label declaration required

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.