Beta-Ionone
INCI: BETA-IONONE
CAS 79-77-6 EC 238-969-9
4-(2,6,6-Trimethylcyclohex-1-eneyl)-but-3-ene-2-one; 1-(2,6,6-Trimethylcyclohex-1-eneyl)-but-1-ene-3-one
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details
Description
4-(2,6,6-Trimethylcyclohex-1-eneyl)-but-3-ene-2-one; 1-(2,6,6-Trimethylcyclohex-1-eneyl)-but-1-ene-3-one
Purpose
Function
Fragrance, Flavoring Substance
Profile
Properties
Silicone
Silicone free
Compliance
Regulatory Status
EU
Restricted
Safety
MODERATE
US
Permitted
Absorptionlow
Sensitizationlow
MoSnot established
NOAEL72 mg/kg
ConcernModerate
Flags
potential-allergenfragrance-componentifra_fragrancefda_food_additive
Verdict
Potential skin sensitizer at high concentrations; fragrance allergen labeling obligations may apply in the EU. A terpenoid ketone with a warm, woody, violet-like odor. Widely used across fragrance, flavor, and cosmetic applications . Produced by BASF and other major suppliers with full REACH registration . One of the most important ionone derivatives in perfumery.
US Note
Not prohibited or restricted; allowed for cosmetic use; also GRAS as a flavoring substance
Assessment
Ratings
Reference