Diethoxynonadiene

INCI: DIETHOXYNONADIENE

CAS Number
Likely 67674-37-7 (verify — may correspond to (Z,Z)-2,6-nonadienal diethyl acetal)
Function
Fragrance ingredient
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted — no specific CFR restriction; no CIR monograph

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

Critical data gap. No dedicated CIR or SCCS opinion available. As a fragrance ingredient, must comply with IFRA Standards and EU Fragrance Allergen Regulation. Requires RIFM safety data sheet. Acetal fragrance ingredients may hydrolyse to aldehyde — verify stability in acidic formulations. Full dermal sensitization testing (DPRA, KeratinoSens, h-CLAT) recommended before CPSR sign-off.

⚠️
Concern Level: Moderate

Regulatory Flags

potential-allergen fragrance-component

Frequently Asked Questions

Is Diethoxynonadiene safe in cosmetics?

Critical data gap. No dedicated CIR or SCCS opinion available. As a fragrance ingredient, must comply with IFRA Standards and EU Fragrance Allergen Regulation. Requires RIFM safety data sheet. Acetal fragrance ingredients may hydrolyse to aldehyde — verify stability in acidic formulations. Full dermal sensitization testing (DPRA, KeratinoSens, h-CLAT) recommended before CPSR sign-off. The EU classifies Diethoxynonadiene as "permitted". Safety rating: MODERATE.

Is Diethoxynonadiene allowed in the EU?

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

What does Diethoxynonadiene do in cosmetics?

Diethoxynonadiene functions as: Fragrance ingredient. It is classified as a cosmetic ingredient in our database. CAS number: Likely 67674-37-7 (verify — may correspond to (Z,Z)-2,6-nonadienal diethyl acetal).

What is the Margin of Safety for Diethoxynonadiene?

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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