- industrial
4,5-Dimethyl-3-hydroxy-2,5-dihydrofuran-2-one
CAS 28664-35-9
Also registered as 1 other CAS number
87021-36-1
Concern score
Not assessed — no hazard data yet.
4,5-Dimethyl-3-hydroxy-2,5-dihydrofuran-2-one in plain language
Also known as 4,5-DIMETHYL-3-HYDROXY-2,5-DIHYDRO-2-FURANONE · Sotolone · 3-Hydroxy-4,5-dimethylfuran-2(5H)-one · 4-hydroxy-2,3-dimethyl-2H-furan-5-one · Caramel furanone · Sautalone
Show all 15 names
Sotolon · 2(5H)-Furanone, 3-hydroxy-4,5-dimethyl- · 2,3-Dimethyl-4-hydroxy-2,5-dihydrofuran-5-one · 2-Hydroxy-3,4-dimethyl-2-buten-1,4-olide · 2-Hydroxy-3-methyl-2-penten-4-olide · 3-Hydroxy-4,5-dimethyl-2(5H)-furanone · 3-Hydroxy-4,5-dimethyl-5H-furan-2-one · 3-hydroxy-4,5-dimethyl-2,5-dihydrofuran-2-one · 4,5-Dimethyl-3-hydroxy-2(5H)-furanone
Used in consumer products as a fragrance ingredient and a flavouring.
- Fragrance
- Flavouring
- We haven't assessed a concern score for this ingredient yet.
Regulation
No restrictions found. 4,5-Dimethyl-3-hydroxy-2,5-dihydrofuran-2-one appears in these published regulatory listings.
- Found in consumer products
- Industrial
USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Flavouring and nutrient, Fragrance.
- EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Flavouring and nutrient, Fragrance.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →
Evidence & sources
No graded research studies for 4,5-Dimethyl-3-hydroxy-2,5-dihydrofuran-2-one yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Where this comes from
Reference links (1)
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Fragrance avoidance
Not a strong fit for fragrance avoidance because it carries Fragrance.
The ingredient itself is a fragrance-linked signal, so it is better treated as an avoid case when fragrance exposure is the main concern.
Where it has been recorded
How often EPA CPDat has listed 4,5-Dimethyl-3-hydroxy-2,5-dihydrofuran-2-one in a product composition. These are source records, not Greenveil catalog products.
Named organisations
6
Typical roles
FragranceFlavouring