Undecenal

INCI: UNDECENAL

CAS Number
1337-83-3 (also 2463-77-6 for 2-Undecenal; 53448-07-0 for trans-2-Undecenal)
Function
Perfuming / Fragrance
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted for cosmetic use; no specific restrictions

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Not genotoxic, not phototoxic/photoallergenic, not PBT (persistent, bioaccumulative, toxic). However, sensitization is the critical endpoint โ€” formulations must respect IFRA concentration limits

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Concern Level: High

Regulatory Flags

potential-allergen fragrance-component ifra_fragrance

Frequently Asked Questions

Is Undecenal safe in cosmetics?

Not genotoxic, not phototoxic/photoallergenic, not PBT (persistent, bioaccumulative, toxic). However, sensitization is the critical endpoint โ€” formulations must respect IFRA concentration limits The EU classifies Undecenal as "permitted". Safety rating: MODERATE.

Is Undecenal allowed in the EU?

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

What does Undecenal do in cosmetics?

Undecenal functions as: Perfuming / Fragrance. It is classified as a cosmetic ingredient in our database. CAS number: 1337-83-3 (also 2463-77-6 for 2-Undecenal; 53448-07-0 for trans-2-Undecenal).

What is the Margin of Safety for Undecenal?

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.

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