Decanal Dimethyl Acetal

INCI: DECANAL DIMETHYL ACETAL (SYNONYM: 1,1-DIMETHOXYDECANE)

CAS Number
7779-41-1
Function
Fragrance / Perfuming
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Allowed. No specific prohibitions or restrictions for cosmetic use.

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

RIFM safety assessment concluded it is safe under current declared use levels. Not expected to be genotoxic (read-across from undecanal dimethyl acetal, CAS 10022-28-3). Skin sensitization not a concern at current exposure levels (below the DST for non-reactive materials at 900 µg/cm²/day).. Clear liquid with herbaceous, green, citrus-floral scent. Belongs to the acetal family of fragrance compounds. Average fragrance content ranges from ~0.2-1% in skin creams/shampoos to 15-30% in perfumes.

⚠️
Concern Level: High

Regulatory Flags

potential-allergen fragrance-component ifra_fragrance fda_food_additive jecfa_safe

Frequently Asked Questions

Is Decanal Dimethyl Acetal safe in cosmetics?

RIFM safety assessment concluded it is safe under current declared use levels. Not expected to be genotoxic (read-across from undecanal dimethyl acetal, CAS 10022-28-3). Skin sensitization not a concern at current exposure levels (below the DST for non-reactive materials at 900 µg/cm²/day).. Clear liquid with herbaceous, green, citrus-floral scent. Belongs to the acetal family of fragrance compounds. Average fragrance content ranges from ~0.2-1% in skin creams/shampoos to 15-30% in perfumes. The EU classifies Decanal Dimethyl Acetal as "permitted". Safety rating: MODERATE.

Is Decanal Dimethyl Acetal allowed in the EU?

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

What does Decanal Dimethyl Acetal do in cosmetics?

Decanal Dimethyl Acetal functions as: Fragrance / Perfuming. It is classified as a cosmetic ingredient in our database. CAS number: 7779-41-1.

What is the Margin of Safety for Decanal Dimethyl Acetal?

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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