Trimethyl-3-cyclohexenyl-3-buten-2-one

INCI: TRIMETHYL-3-CYCLOHEXENYL-3-BUTEN-2-ONE

CAS Number
Multiple isomers possible; check CosIng for exact assignment
Function
Fragrance ingredient (perfuming agent)
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted in cosmetics as fragrance

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

α,β-unsaturated ketone — this structural alert is flagged in RIFM/SCCS assessments as a potential sensitization concern; verify IFRA maximum use levels; recommend patch testing data before use in leave-on products

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Concern Level: Moderate

Regulatory Flags

potential-allergen fragrance-component

Frequently Asked Questions

Is Trimethyl-3-cyclohexenyl-3-buten-2-one safe in cosmetics?

α,β-unsaturated ketone — this structural alert is flagged in RIFM/SCCS assessments as a potential sensitization concern; verify IFRA maximum use levels; recommend patch testing data before use in leave-on products The EU classifies Trimethyl-3-cyclohexenyl-3-buten-2-one as "permitted". Safety rating: MODERATE.

Is Trimethyl-3-cyclohexenyl-3-buten-2-one allowed in the EU?

Trimethyl-3-cyclohexenyl-3-buten-2-one EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Trimethyl-3-cyclohexenyl-3-buten-2-one do in cosmetics?

Trimethyl-3-cyclohexenyl-3-buten-2-one functions as: Fragrance ingredient (perfuming agent). It is classified as a cosmetic ingredient in our database. CAS number: Multiple isomers possible; check CosIng for exact assignment.

What is the Margin of Safety for Trimethyl-3-cyclohexenyl-3-buten-2-one?

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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