2,3-Dimethyl-4-(2,6,6-trimethyl-1-cyclohexenyl)-2-butenal

INCI: 2,3-DIMETHYL-4-(2,6,6-TRIMETHYL-1-CYCLOHEXENYL)-2-BUTENAL

CAS Number
71850-78-7
Function
Fragrance ingredient - ionone/retinal-type aldehyde with woody, floral character
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status restricted
US Notes Not specifically restricted; used in fragrance compounds

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 carbonyl (potential electrophile); cross-reactivity possible with aldehyde-sensitive individuals; IFRA compliance essential

⚠️
Concern Level: Low

Regulatory Flags

fragrance-component ifra_fragrance

Frequently Asked Questions

Is 2,3-Dimethyl-4-(2,6,6-trimethyl-1-cyclohexenyl)-2-butenal safe in cosmetics?

α,β-unsaturated carbonyl (potential electrophile); cross-reactivity possible with aldehyde-sensitive individuals; IFRA compliance essential The EU classifies 2,3-Dimethyl-4-(2,6,6-trimethyl-1-cyclohexenyl)-2-butenal as "permitted". Safety rating: GOOD.

Is 2,3-Dimethyl-4-(2,6,6-trimethyl-1-cyclohexenyl)-2-butenal allowed in the EU?

2,3-Dimethyl-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 2,3-Dimethyl-4-(2,6,6-trimethyl-1-cyclohexenyl)-2-butenal do in cosmetics?

2,3-Dimethyl-4-(2,6,6-trimethyl-1-cyclohexenyl)-2-butenal functions as: Fragrance ingredient - ionone/retinal-type aldehyde with woody, floral character. It is classified as a cosmetic ingredient in our database. CAS number: 71850-78-7.

What is the Margin of Safety for 2,3-Dimethyl-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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