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4-Hydroxy-2,5-dimethyl-3(2H)-furanone

At a glance

According to The Good Scents Company, this material has an odor type of caramellic, with descriptor tags: sweet, cotton candy, caramellic, strawberry, sugar brown sugar, sweet, burnt, brown, caramellic, cotton candy, savory. (CAS 3658-77-3)

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

Category
⚗️ Synthetic
Extraction
Chemical synthesis
Chemical family
Furan/Heterocyclic
CAS number
3658-77-3
Structure
2D molecular structure of 4-Hydroxy-2,5-dimethyl-3(2H)-furanone
Profile
sweet, cotton candy, caramellic, strawberry, sugar brown sugar, sweet, burnt, brown, caramellic, cotton candy, savory
IFRA status
Restricted, concentration limits under IFRA standards (listed as "4-Hydroxy-2,5-dimethyl-3(2H)-furanone", CAS 3658-77-3)
Related nodes Part of the Brown Sugar note Part of the Cotton Candy note Part of the Cotton Flower note Part of the Strawberry note Part of the Strawberry Leaves note Part of the Strawberry Sorbet note Part of the Sugar note Part of the Sugar Cane note Part of the Sweet Gourmand Notes note Part of the Sweet Notes note +2 more
● drafted · last checked 2026-08-26