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.
- industrial
5-Pentylfuran-2(5H)-one
CAS 21963-26-8
Also registered as 1 other CAS number
118917-42-3
Concern score
Not assessed — no hazard data yet.
5-Pentylfuran-2(5H)-one in plain language
Also known as 2-NONENOIC acid .gamma.-lactone · (±)-2-NONENOIC acid .gamma.-lactone · 2-NONENOIC acid .gamma.-lactone, (±)- · 2-NONENOIC acid, 4-HYDROXY-, .gamma.-lactone · 2-pentyl-2H-furan-5-one · 4-HYDROXY-2-NONENOIC acid lactone
Show all 18 names
5-N-PENTYL-2(5H)-FURANONE · (+/-)-2-NONENOIC acid .gamma.-lactone · (5H)-5-Pentyl-2-furanone · 2(5H)-Furanone, 5-pentyl- · 2-NONENOIC acid .gamma.-lactone, (+/-)- · 2-Nonenoic acid gamma-lactone · 2-Nonenoic acid, 4-hydroxy-, gammalactone · 2-nonen-4-olide · 5-PENTYL-2(5H)-FURANONE · 5-Pentyl-2-furanone · 5-pentyl-2,5-dihydrofuran-2-one · Non-2-eno-1,4-lactone
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. 5-Pentylfuran-2(5H)-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 5-Pentylfuran-2(5H)-one yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Where this comes from
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Avoid
Where it has been recorded
How often EPA CPDat has listed 5-Pentylfuran-2(5H)-one in a product composition. These are source records, not Greenveil catalog products.
Named organisations
3
Typical roles
FragranceFlavouring