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2-Methyl-4-phenylbutyraldehyde

At a glance

According to The Good Scents Company, this material has an odor type of floral, with descriptor tags: sweet, floral, earthy, musty. (CAS 40654-82-8) It is valued by perfumers for this distinctive character and used as a building block within larger fragrance compositions.

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
40654-82-8
Profile
sweet, floral, earthy, musty
IFRA status
Restricted -- max 0.50% in Category 4
Related nodes Part of the Floral Bouquet note Part of the Floral Heart note Part of the Floral Notes note Part of the Forget-Me-Not Floral Accord note Part of the Multi-Floral Bouquet note Part of the Multi-floral Bouquet (overdose) note Part of the Sweet Gourmand Notes note Part of the Sweet Notes note Part of the Sweet Pea note Part of the Sweet Pea (soliflore) note
● drafted · last checked 2026-09-01