Is Trimethylundecadienal safe in cosmetics?
Trimethylundecadienal has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
Moderate
Cosmetic Ingredient
Trimethylundecadienal
Also known as: 5,9-Undecadienal, 2,6,10-trimethyl-, 2,6,10-Trimethyl-5,9-undecadienal
INCI: TRIMETHYLUNDECADIENAL
Trimethylundecadienal (CAS 54082-68-7) is a cosmetic cosmetic ingredient functioning as Perfuming / Fragrance ingredient. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.
View industrial chemical safety profile for CAS 54082-68-7 →
Auto-generated CPSR Part A draft with source citations
Function
Perfuming / Fragrance ingredient
Safety Rating
MODERATE
Chemistry & Identifiers
IUPAC Name
2,6,10-trimethylundeca-5,9-dienal
InChIKey
ZXGMEZJVBHJYEQ-UHFFFAOYSA-N
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted for use in cosmetics; not restricted. RIFM safety-assessed
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Trimethylundecadienal.
Calculate MoS for your specific formulation with the MoS Calculator.
HRIPT Human Patch Test Studies
1 human repeat insult patch test aggregated from dermatological literature.
| Test Type | N | Sensitized | Dose µg/cm² | NESIL µg/cm² | Potency |
|---|---|---|---|---|---|
| HRIPT | 108 | 0 | 10039 | 10039 | non-sensitizer |
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Fragrance
Regulatory List Membership (1)
IFRA Fragrance Transparency List
Expert Verdict
Expert safety assessment and concern-level summary for Trimethylundecadienal.
Regulatory Flags
potential-allergen
fragrance-component
ifra_fragrance
Known Synonyms
5,9-Undecadienal, 2,6,10-trimethyl-
2,6,10-Trimethyl-5,9-undecadienal
Chemical Function
Fragrance
Regulatory Lists
IFRA Transparency
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Trimethylundecadienal allowed in the EU?
Trimethylundecadienal EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Trimethylundecadienal do in cosmetics?
Trimethylundecadienal functions as: Perfuming / Fragrance ingredient. It is classified as a cosmetic ingredient in our database. CAS number: 54082-68-7.
Is Trimethylundecadienal used outside cosmetics?
Trimethylundecadienal also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check Trimethylundecadienal compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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