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.
- cleaning
(3E)-Undeca-1,3-dien-5-yne
CAS 166432-52-6
Concern score
Not assessed — no hazard data yet.
(3E)-Undeca-1,3-dien-5-yne in plain language
Also known as 1,3-Undecadien-5-yne · 1,3-Undecadien-5-yne, (3E)- · violettyne cnc
Used in consumer products as a fragrance ingredient.
- Fragrance
- We haven't assessed a concern score for this ingredient yet.
Regulation
No restrictions found. (3E)-Undeca-1,3-dien-5-yne appears in these published regulatory listings.
- Found in consumer products
- Cleaning
USEPAcommercial use observedEPA CPDat observed this chemical in 12 composition records across product categories including Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including Fragrance.
- EPA CPDat observed this chemical in 12 composition records across product categories including Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including Fragrance.Source →
Evidence & sources
No graded research studies for (3E)-Undeca-1,3-dien-5-yne 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 (3E)-Undeca-1,3-dien-5-yne in a product composition. These are source records, not Greenveil catalog products.
Source records
12
Named organisations
3
Cleaning products and household care
Typical roles
Fragrance