Good Cosmetic Ingredient NOAEL Data

Citral Diethyl Acetal

INCI: CITRAL DIETHYL ACETAL

CAS Number
7492-66-2
Function
Fragrance ingredient (citrus-green note)
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes No specific CIR review; FEMA GRAS as flavoring; TSCA listed

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.

Toxicological Studies

2 study endpoints found for Citral Diethyl Acetal. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.

Endpoint Value Route Species Study Type Source
NOAEL 56 mg/kg bw/day oral rat oral REACH
NOAEL 125 other oral rat oral REACH

Expert Verdict

Acid-catalyzed hydrolysis can release free citral (EU allergen); pH-dependent stability must be formulated above pH 4.5 to minimize hydrolysis

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Concern Level: Moderate

Regulatory Flags

potential-allergen fragrance-component ifra_fragrance fda_food_additive jecfa_safe

Frequently Asked Questions

Is Citral Diethyl Acetal safe in cosmetics?

Acid-catalyzed hydrolysis can release free citral (EU allergen); pH-dependent stability must be formulated above pH 4.5 to minimize hydrolysis The EU classifies Citral Diethyl Acetal as "permitted". Safety rating: GOOD. 2 toxicological study endpoint(s) are available in our database.

Is Citral Diethyl Acetal allowed in the EU?

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

What does Citral Diethyl Acetal do in cosmetics?

Citral Diethyl Acetal functions as: Fragrance ingredient (citrus-green note). It is classified as a cosmetic ingredient in our database. CAS number: 7492-66-2.

What is the Margin of Safety for Citral Diethyl 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.

What is the NOAEL for Citral Diethyl Acetal?

The NOAEL (No Observed Adverse Effect Level) for Citral Diethyl Acetal is 56 mg/kg bw/day based on a oral study via oral route in rat. A total of 2 study endpoints are available. Source: REACH.

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