Methylpentenyl-Cyclopentenone

INCI: METHYLPENTENYL-CYCLOPENTENONE

CAS Number
Not confirmed in available sources
Function
Fragrance (perfuming) - cyclopentenone derivatives are used as fragrance ingredients in cosmetics
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Allowed - no specific prohibition for use as a fragrance component

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Limited publicly available toxicological data. Cyclopentenone derivatives can be reactive; IFRA/RIFM evaluation governs safe use levels. Cyclopentenone-based fragrance compound; the cyclopentenone ring is associated with woody, warm, or maple-like olfactory profiles in related compounds like methyl cyclopentenolone

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Concern Level: High

Regulatory Flags

fragrance-component

Frequently Asked Questions

Is Methylpentenyl-Cyclopentenone safe in cosmetics?

Limited publicly available toxicological data. Cyclopentenone derivatives can be reactive; IFRA/RIFM evaluation governs safe use levels. Cyclopentenone-based fragrance compound; the cyclopentenone ring is associated with woody, warm, or maple-like olfactory profiles in related compounds like methyl cyclopentenolone The EU classifies Methylpentenyl-Cyclopentenone as "permitted". Safety rating: MODERATE.

Is Methylpentenyl-Cyclopentenone allowed in the EU?

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

What does Methylpentenyl-Cyclopentenone do in cosmetics?

Methylpentenyl-Cyclopentenone functions as: Fragrance (perfuming) - cyclopentenone derivatives are used as fragrance ingredients in cosmetics. It is classified as a cosmetic ingredient in our database. CAS number: Not confirmed in available sources.

What is the Margin of Safety for Methylpentenyl-Cyclopentenone?

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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