- industrial
Ethyl crotonate
CAS 623-70-1
Also registered as 1 other CAS number
77825-56-0
Concern score
Not assessed — no hazard data yet.
Ethyl crotonate in plain language
Also known as Crotonic acid ethyl ester · ETHYL-(E)-2-BUTENOATE · Ethyl trans-crotonate · 2-BUTENOIC acid, ethyl ester, (2E)- · 2-BUTENOIC acid, ethyl ester, (e)- · Crotonic acid, ethyl ester, (e)-
Show all 20 names
Ethyl crotonate (e) · Ethyl (2E)-but-2-enoate · ethyl (E)-but-2-enoate · (2E)-Ethyl ester 2-butenoic acid · (E)-2-BUTENOIC acid ethyl ester · (E)-ethyl crotonate · 2-butenoic acid, ethyl ester · Crotonate d'ethyle, (E)- · ethyl ester Crotonic acid · Ethyl (e)-crotonate · Ethyl trans-2-butenoate · TRANS-2-BUTENOIC acid ethylester · alpha-Crotonic acid ethyl ester, (E)- · trans-2-Butenoic acid ethyl ester
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. Ethyl crotonate 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 Fragrance, Flavouring and nutrient.
- EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Fragrance, Flavouring and nutrient.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 Ethyl crotonate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Where this comes from
Reference links (2)
sciencedirect.com
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 Ethyl crotonate in a product composition. These are source records, not Greenveil catalog products.
Named organisations
5
Typical roles
FragranceFlavouring