Good Cosmetic Ingredient

2-Trans, 6-Trans-Nonadienal Diethyl Acetal

INCI: 2-TRANS, 6-TRANS-NONADIENAL DIETHYL ACETAL

CAS Number
67674-36-6
Function
Fragrance — acetal derivative providing controlled aldehyde release
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Not restricted by FDA; IFRA/RIFM governed

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

Hydrolysis product (the free aldehyde) is a potential sensitizer — finished product pH can affect stability

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Concern Level: Moderate

Regulatory Flags

potential-allergen fragrance-component ifra_fragrance

Frequently Asked Questions

Is 2-Trans, 6-Trans-Nonadienal Diethyl Acetal safe in cosmetics?

Hydrolysis product (the free aldehyde) is a potential sensitizer — finished product pH can affect stability The EU classifies 2-Trans, 6-Trans-Nonadienal Diethyl Acetal as "permitted". Safety rating: GOOD.

Is 2-Trans, 6-Trans-Nonadienal Diethyl Acetal allowed in the EU?

2-Trans, 6-Trans-Nonadienal Diethyl Acetal EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does 2-Trans, 6-Trans-Nonadienal Diethyl Acetal do in cosmetics?

2-Trans, 6-Trans-Nonadienal Diethyl Acetal functions as: Fragrance — acetal derivative providing controlled aldehyde release. It is classified as a cosmetic ingredient in our database. CAS number: 67674-36-6.

What is the Margin of Safety for 2-Trans, 6-Trans-Nonadienal 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.

Compliance Tools

Check 2-Trans, 6-Trans-Nonadienal Diethyl 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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