Good Cosmetic Ingredient

Hydroxycitronellal Dimethyl Acetal

INCI: HYDROXYCITRONELLAL DIMETHYL ACETAL

CAS Number
141-92-4
Function
Fragrance ingredient
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status restricted
🇺🇸 US Status permitted
US Notes Permitted — no CFR restriction

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
moderate
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Acetal may hydrolyze on skin to release hydroxycitronellal, a regulated EU allergen; label declaration may be triggered. Not genotoxic, not phototoxic per RIFM. IFRA compliance required; check current IFRA Amendment limits.

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Concern Level: Moderate

Regulatory Flags

potential-allergen fragrance-component ifra_fragrance fda_food_additive jecfa_safe

Frequently Asked Questions

Is Hydroxycitronellal Dimethyl Acetal safe in cosmetics?

Acetal may hydrolyze on skin to release hydroxycitronellal, a regulated EU allergen; label declaration may be triggered. Not genotoxic, not phototoxic per RIFM. IFRA compliance required; check current IFRA Amendment limits. The EU classifies Hydroxycitronellal Dimethyl Acetal as "restricted". Safety rating: GOOD.

Is Hydroxycitronellal Dimethyl Acetal allowed in the EU?

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

What does Hydroxycitronellal Dimethyl Acetal do in cosmetics?

Hydroxycitronellal Dimethyl Acetal functions as: Fragrance ingredient. It is classified as a cosmetic ingredient in our database. CAS number: 141-92-4.

What is the Margin of Safety for Hydroxycitronellal Dimethyl Acetal?

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.

Compliance Tools

Check Hydroxycitronellal Dimethyl Acetal compliance across multiple jurisdictions:

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Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
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Substance Compliance
Check compliance across 55 jurisdictions
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
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Heavy Metal Limits
Compare limits across jurisdictions

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