6-METHYL-5-HEPTEN-2-ONE
Other
Moderate
CAS Number: 110-93-0
About 6-METHYL-5-HEPTEN-2-ONE
An α,β-unsaturated ketone fragrance that shows moderate irritation potential and requires typical IFRA restriction guidelines for cosmetic application.
Detailed Analysis
This unsaturated ketone has a PubChem safety score of 55 indicating moderate concern. The structural feature of an alpha,beta-unsaturated carbonyl system is associated with both fragrance activity and sensitization potential. IFRA guidelines recommend concentration limits for this class of fragrance material, and EU cosmetic label disclosure is required when usage exceeds 0.01% in leave-on products.
Skin Benefits
- ✓ fragrance function
Known Concerns
- ⚠ skin sensitizer potential
- ⚠ irritation at high concentration
Safety Score
Moderate
Based on EU regulatory data, published safety research, and ingredient function analysis.
References
EU CosIng Database
European Commission cosmetic ingredient registry
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