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5-Hydroxy-2,4-decadienoic acid delta-lactone

At a glance

According to The Good Scents Company, this material has an odor type of tonka, with descriptor tags: tonka, lactonic, coconut, creamy, fatty, waxy, coconut, creamy, sweet, brown, fatty, waxy. (CAS 27593-23-3)

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

Category
⚗️ Synthetic
Extraction
Chemical synthesis
Chemical family
Lactone
CAS number
27593-23-3
Structure
2D molecular structure of 5-Hydroxy-2,4-decadienoic acid delta-lactone
Profile
tonka, lactonic, coconut, creamy, fatty, waxy, coconut, creamy, sweet, brown, fatty, waxy
IFRA status
Not restricted
Related nodes Part of the Brown Sugar note Part of the Coconut note Part of the Coconut Accord note Part of the Coconut Nectar 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 Part of the Tonka Bean note Part of the Tonka Bean (overdose) note
● drafted · last checked 2026-09-01