2-Methyl-4-(2,6,6-Trimethyl-1-Cyclohexenyl)-2-Butenal

INCI: 2-METHYL-4-(2,6,6-TRIMETHYL-1-CYCLOHEXENYL)-2-BUTENAL

CAS Number
75033-41-1 (ionone-type aldehyde isomer)
Function
Fragrance (ionone/damascone family)
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status restricted
US Notes Not specifically restricted by FDA; RIFM-assessed

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

α,β-Unsaturated aldehyde with Michael acceptor reactivity; strict adherence to IFRA concentration limits required.

⚠️
Concern Level: Moderate

Regulatory Flags

fragrance-component

Frequently Asked Questions

Is 2-Methyl-4-(2,6,6-Trimethyl-1-Cyclohexenyl)-2-Butenal safe in cosmetics?

α,β-Unsaturated aldehyde with Michael acceptor reactivity; strict adherence to IFRA concentration limits required. The EU classifies 2-Methyl-4-(2,6,6-Trimethyl-1-Cyclohexenyl)-2-Butenal as "permitted". Safety rating: MODERATE.

Is 2-Methyl-4-(2,6,6-Trimethyl-1-Cyclohexenyl)-2-Butenal allowed in the EU?

2-Methyl-4-(2,6,6-Trimethyl-1-Cyclohexenyl)-2-Butenal EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does 2-Methyl-4-(2,6,6-Trimethyl-1-Cyclohexenyl)-2-Butenal do in cosmetics?

2-Methyl-4-(2,6,6-Trimethyl-1-Cyclohexenyl)-2-Butenal functions as: Fragrance (ionone/damascone family). It is classified as a cosmetic ingredient in our database. CAS number: 75033-41-1 (ionone-type aldehyde isomer).

What is the Margin of Safety for 2-Methyl-4-(2,6,6-Trimethyl-1-Cyclohexenyl)-2-Butenal?

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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