(E)-oct-2-en-4-one (FEMA-3603)
(E)-oct-2-en-4-one (FEMA-3603) is a green–herbal ketone with peely citrus rind and a faint spicy–metallic edge. It sharpens fresh top notes and lends natural peel realism in fine fragrance and home/home‑care accords.
Fragrance Family: Green, Citrus, Herbal
Top Notes: peely citrus rind, green herbal lift
Heart Notes: subtle spicy–metallic nuance
Base Notes: soft clean body
Applications (typical ranges):
• Fine fragrance: 0.01–0.20%
• Body care: 0.005–0.10%
• Home/air care: 0.01–0.20%
• Candles: 0.02–0.20%
IFRA: Refer to the latest IFRA Standards for category‑specific limits.
Allergen: No inherent IFRA allergens; declaration depends on full formula.
Storage: Keep tightly closed, cool and dry; protect from light/air.
Shelf Life: 24 months (unopened, stored as recommended).
CAS Number: 4643-27-0
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