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5-Methyl-2-phenyl-2-hexenal

At a glance

According to The Good Scents Company, this material has an odor type of chocolate, with descriptor tags: aldehydic, bitter, cocoa, nut skin, green, sweet, chocolate, fruity, butter rancid, bitter, cocoa, nutty, brown, green. (CAS 21834-92-4)

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
21834-92-4
Structure
2D molecular structure of 5-Methyl-2-phenyl-2-hexenal
Profile
aldehydic, bitter, cocoa, nut skin, green, sweet, chocolate, fruity, butter rancid, bitter, cocoa, nutty, brown, green
IFRA status
Not restricted
Related nodes Part of the Bitter Almond note Part of the Bitter Orange note Part of the Bitter Orange (Bigarade) note Part of the Bitter Orange (Bigarrade) note Part of the Brown Sugar note Part of the Butter note Part of the Chocolate note Part of the Chocolate Notes note Part of the Cocoa note Part of the Dark Chocolate note +17 more
● drafted · last checked 2026-09-01