Hexenylcyclopentanone

INCI: HEXENYLCYCLOPENTANONE

CAS Number
Not definitively confirmed in public databases
Function
Fragrance ingredient with presumed jasmine/floral character typical of cyclopentanone derivatives
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Not specifically addressed under 21 CFR; no CIR or RIFM monograph identified

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
moderate

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Data gap: α,β-unsaturated ketone substructure raises Cramer Class escalation concern and potential Michael-acceptor reactivity for skin sensitization; requires supplier toxicology data package

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Concern Level: Moderate

Regulatory Flags

potential-allergen fragrance-component

Frequently Asked Questions

Is Hexenylcyclopentanone safe in cosmetics?

Data gap: α,β-unsaturated ketone substructure raises Cramer Class escalation concern and potential Michael-acceptor reactivity for skin sensitization; requires supplier toxicology data package The EU classifies Hexenylcyclopentanone as "permitted". Safety rating: MODERATE.

Is Hexenylcyclopentanone allowed in the EU?

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

What does Hexenylcyclopentanone do in cosmetics?

Hexenylcyclopentanone functions as: Fragrance ingredient with presumed jasmine/floral character typical of cyclopentanone derivatives. It is classified as a cosmetic ingredient in our database. CAS number: Not definitively confirmed in public databases.

What is the Margin of Safety for Hexenylcyclopentanone?

not established 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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