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
2,6,10-Trimethyl-5,9-undecadienal (mixture of all stereo forms)
CAS 54082-68-7
Concern score
Not assessed — no hazard data yet.
2,6,10-Trimethyl-5,9-undecadienal (mixture of all stereo forms) in plain language
On cosmetic ingredient lists it appears as “Trans-trimethylundecadienal”.
Also known as Trans-trimethylundecadienal · 2,6,10-Trimethylundeca-5,9-dienal · 2,6,10-Trimethyl-5,9-undecadienal · 5,9-Undecadienal, 2,6,10-trimethyl-
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. 2,6,10-Trimethyl-5,9-undecadienal (mixture of all stereo forms) 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 2,6,10-Trimethyl-5,9-undecadienal (mixture of all stereo forms). 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 2,6,10-Trimethyl-5,9-undecadienal (mixture of all stereo forms) 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 2,6,10-Trimethyl-5,9-undecadienal (mixture of all stereo forms) in a product composition. These are source records, not Greenveil catalog products.
Named organisations
2
Typical roles
PerfumingFragrance