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
3-Ethyl-2-hydroxy-2-cyclopenten-1-one
CAS 21835-01-8
Also registered as 1 other CAS number
13494-08-1
Concern score
Not assessed — no hazard data yet.
3-Ethyl-2-hydroxy-2-cyclopenten-1-one in plain language
Also known as 3-ETHYL-1,2-CYCLOPENTANEDIONE · 3-ETHYL-2-CYCLOPENTEN-2-OL-1-ONE · 3-Ethyl-2-hydroxycyclopent-2-en-1-one · Ethylcyclopentenolone · Ethylcyclotene · 1,2-CYCLOPENTANEDIONE, 3-ETHYL-
Show all 17 names
2-Cyclopenten-1-one, 2-hydroxy-3-ethyl · 2-Cyclopenten-1-one, 3-ethyl-2-hydroxy- · 2-HYDROXY-3-ETHYL-2-CYCLOPENTENONE · 2-Hydroxy-3-ethyl-2-cyclopenten-1-one · 2-Hydroxy-3-ethyl-2-cyclopentene-1-one · 3-Ethyl-2-hydroxy-2-cyclopentenone · 3-Ethyl-2-hydroxycyclopent-2-enone · 3-Ethylcyclopentan-1,2-dione · Enol-3-Ethyl-1,2-cyclopentanedione · Jhwfwluaupzucp-uhfffaoysa-n · ethyl cyclopentenolone
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. 3-Ethyl-2-hydroxy-2-cyclopenten-1-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 3-Ethyl-2-hydroxy-2-cyclopenten-1-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 3-Ethyl-2-hydroxy-2-cyclopenten-1-one in a product composition. These are source records, not Greenveil catalog products.
Named organisations
3
Typical roles
FragranceFlavouring