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2-Pentenal

At a glance

According to The Good Scents Company, this material has an odor type of green, with descriptor tags: pungent, green, apple, orange, tomato. (CAS 764-39-6)

Why synthetics aren't a downgrade — a different toolkit → · Why some materials get IFRA-restricted →

Category
⚗️ Synthetic
Extraction
Chemical synthesis
Chemical family
Aldehyde
CAS number
764-39-6
Structure
2D molecular structure of 2-Pentenal
Profile
pungent, green, apple, orange, tomato
IFRA status
Restricted -- max 0.001% in Category 4
Related nodes Part of the African Orange Blossom note Part of the African Orange Flower note Part of the Apple note Part of the Apple Blossom note Part of the Apple Tree Wood note Part of the Bitter Orange note Part of the Bitter Orange (Bigarade) note Part of the Bitter Orange (Bigarrade) note Part of the Blood Orange note Part of the Calabrian Orange note +25 more
● drafted · last checked 2026-09-01