Moderate Cosmetic Ingredient NOAEL Data

Trimethylundecenal

INCI: TRIMETHYLUNDECENAL

CAS Number
141-13-9
Function
Perfuming / Fragrance ingredient
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted for use in cosmetics; RIFM safety-assessed

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

2 study endpoints found for Trimethylundecenal. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.

Endpoint Value Route Species Study Type Source
NOAEL >=335 mg/kg bw/day other rat oral REACH
NOAEL >=335 mg/kg bw/day oral - oral REACH

Expert Verdict

Skin sensitizer; not expected to be phototoxic/photoallergenic; environmentally safe per RIFM

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Concern Level: High

Regulatory Flags

potential-allergen fragrance-component ifra_fragrance

Frequently Asked Questions

Is Trimethylundecenal safe in cosmetics?

Skin sensitizer; not expected to be phototoxic/photoallergenic; environmentally safe per RIFM The EU classifies Trimethylundecenal as "permitted". Safety rating: MODERATE. 2 toxicological study endpoint(s) are available in our database.

Is Trimethylundecenal allowed in the EU?

Trimethylundecenal EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Trimethylundecenal do in cosmetics?

Trimethylundecenal functions as: Perfuming / Fragrance ingredient. It is classified as a cosmetic ingredient in our database. CAS number: 141-13-9.

What is the Margin of Safety for Trimethylundecenal?

adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

What is the NOAEL for Trimethylundecenal?

The NOAEL (No Observed Adverse Effect Level) for Trimethylundecenal is >=335 mg/kg bw/day based on a oral study via other route in rat. A total of 2 study endpoints are available. Source: REACH.

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