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4-Hydroxy-3-pentenoic acid lactone

At a glance

According to The Good Scents Company, this material has an odor type of coconut, with descriptor tags: sweet, solvent, nutty, tonka, coumarinic, tobacco, sweet, solvent, oily, coconut, nutty, coumarinic, tobacco. (CAS 591-12-8)

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
591-12-8
Structure
2D molecular structure of 4-Hydroxy-3-pentenoic acid lactone
Profile
sweet, solvent, nutty, tonka, coumarinic, tobacco, sweet, solvent, oily, coconut, nutty, coumarinic, tobacco
IFRA status
Not restricted
Related nodes Part of the Balkan Tobacco note Part of the Bulgarian Light Tobacco 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 Tobacco note +3 more
● drafted · last checked 2026-09-01