Tridecenal (2-Tridecenal)

INCI: TRIDECENAL (2-TRIDECENAL)

CAS Number
7774-82-5
Function
Fragrance ingredient — fatty, waxy, aldehydic odor profile
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted as fragrance ingredient; no specific restrictions

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

🔴 Strong skin sensitizer — NESIL of 230 μg/cm² places this among more potent fragrance allergens . α,β-unsaturated aldehyde structure — Michael acceptor reactivity with skin proteins. Read-across from 2-decenal (CAS 3913-71-1) confirms sensitization potential . Stricter IFRA maximum use levels than saturated aldehydes. Formulators should verify concentrations carefully against IFRA Category limits.

⚠️
Concern Level: Moderate

Regulatory Flags

potential-allergen fragrance-component ifra_fragrance fda_food_additive

Frequently Asked Questions

Is Tridecenal (2-Tridecenal) safe in cosmetics?

🔴 Strong skin sensitizer — NESIL of 230 μg/cm² places this among more potent fragrance allergens . α,β-unsaturated aldehyde structure — Michael acceptor reactivity with skin proteins. Read-across from 2-decenal (CAS 3913-71-1) confirms sensitization potential . Stricter IFRA maximum use levels than saturated aldehydes. Formulators should verify concentrations carefully against IFRA Category limits. The EU classifies Tridecenal (2-Tridecenal) as "permitted". Safety rating: MODERATE.

Is Tridecenal (2-Tridecenal) allowed in the EU?

Tridecenal (2-Tridecenal) EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Tridecenal (2-Tridecenal) do in cosmetics?

Tridecenal (2-Tridecenal) functions as: Fragrance ingredient — fatty, waxy, aldehydic odor profile. It is classified as a cosmetic ingredient in our database. CAS number: 7774-82-5.

What is the Margin of Safety for Tridecenal (2-Tridecenal)?

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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