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.
- beauty
- industrial
2-Butenoic acid, ethyl ester
CAS 10544-63-5
Concern score
Not assessed — no hazard data yet.
2-Butenoic acid, ethyl ester in plain language
On cosmetic ingredient lists it appears as “Ethyl crotonate”.
Also known as Ethyl crotonate · Ethyl but-2-enoate · 2-Butenoic acid ethyl ester · BUT-2-ENOATE, ethyl · Crotonate d'ethyle · ethyl ester Crotonic acid
Show all 10 names
Ethyl 2-butenoate · Ethyl trans-2-butenoate · Ethylcrotonat · crotonato de etilo
Used in cosmetics as a fragrance ingredient.
- Perfuming
- Fragrance
- We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
Regulation
No restrictions found. 2-Butenoic acid, ethyl ester appears in these published regulatory listings.
- Found in consumer products
- Industrial
EUCosIngActiveListed in CosIng inventory for cosmetic use.
- Listed in CosIng inventory for cosmetic use.Source →
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.
- 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.Source →
Expert safety opinions
No expert opinion on file for 2-Butenoic acid, ethyl ester. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.
SCCS
EU Scientific Committee on Consumer Safety
No SCCS opinion on file.
CIR
Cosmetic Ingredient Review (US expert panel)
No CIR safety assessment on file.
Evidence & sources
No graded research studies for 2-Butenoic acid, ethyl ester yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
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 2-Butenoic acid, ethyl ester in a product composition. These are source records, not Greenveil catalog products.
Named organisations
1
Typical roles
PerfumingFragrance