(Z)-dec-4-enal (FEMA-3264) is a powerful green–citrus aldehyde with crisp grapefruit/orange‑peel facets and a soft waxy aldehydic warmth. It brightens top notes, sharpens citrus accords, and adds green lift to fresh floral and fabric‑care styles. Dose with care to avoid harsh/soapy edges.

Fragrance Family: Citrus Aldehydic, Green

Top Notes: grapefruit/orange peel, green rind, aldehydic brightness

Heart Notes: leafy‑green, faint floral‑soapy nuance

Base Notes: soft waxy aldehydic warmth

Applications (typical ranges):
• Fine fragrance: 0.01–0.30%
• Body care: 0.005–0.15%
• Home care/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; finished‑product declaration depends on full formula.

Storage: Tightly closed, cool and dry; protect from light and air.

Shelf Life: 24 months (unopened, stored as recommended).

CAS Number: 21662-09-9