D-Trimethyl-3-Cyclopentene-1-Acetaldehyde

INCI: D-TRIMETHYL-3-CYCLOPENTENE-1-ACETALDEHYDE

CAS Number
Read-across to 2,2,3‑Trimethyl‑3‑cyclopentene‑1‑acetaldehyde, CAS 4501‑58‑0.
Function
Fragrance ingredient (perfuming)
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes No specific FDA prohibition; subject to general cosmetic safety requirements, typically used per IFRA exposure limits.

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Fragrance aldehyde class; consider patch testing for leave-on at higher dosages; follow IFRA limits for leave-on facial and underarm products to minimize sensitization risk.

⚠️
Concern Level: Moderate

Regulatory Flags

potential-allergen fragrance-component

Frequently Asked Questions

Is D-Trimethyl-3-Cyclopentene-1-Acetaldehyde safe in cosmetics?

Fragrance aldehyde class; consider patch testing for leave-on at higher dosages; follow IFRA limits for leave-on facial and underarm products to minimize sensitization risk. The EU classifies D-Trimethyl-3-Cyclopentene-1-Acetaldehyde as "permitted". Safety rating: GOOD.

Is D-Trimethyl-3-Cyclopentene-1-Acetaldehyde allowed in the EU?

D-Trimethyl-3-Cyclopentene-1-Acetaldehyde EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does D-Trimethyl-3-Cyclopentene-1-Acetaldehyde do in cosmetics?

D-Trimethyl-3-Cyclopentene-1-Acetaldehyde functions as: Fragrance ingredient (perfuming). It is classified as a cosmetic ingredient in our database. CAS number: Read-across to 2,2,3‑Trimethyl‑3‑cyclopentene‑1‑acetaldehyde, CAS 4501‑58‑0..

What is the Margin of Safety for D-Trimethyl-3-Cyclopentene-1-Acetaldehyde?

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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