Sodium Undecylenoamphoacetate

INCI: SODIUM UNDECYLENOAMPHOACETATE

CAS Number
93685-81-5 (based on amphoacetate class registration)
Function
Surfactant – Cleansing, Foaming (amphoteric surfactant derived from undecylenic acid)
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted; CIR reviewed amphoacetates and concluded safe in present practices of use and concentration

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Amphoacetates can contain residual amidoamine impurities; some atopic subjects showed positive reactions to related sodium cocoamphoacetate at 3–5% concentrations in CIR testing

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Concern Level: Low

Frequently Asked Questions

Is Sodium Undecylenoamphoacetate safe in cosmetics?

Amphoacetates can contain residual amidoamine impurities; some atopic subjects showed positive reactions to related sodium cocoamphoacetate at 3–5% concentrations in CIR testing The EU classifies Sodium Undecylenoamphoacetate as "permitted". Safety rating: GOOD.

Is Sodium Undecylenoamphoacetate allowed in the EU?

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

What does Sodium Undecylenoamphoacetate do in cosmetics?

Sodium Undecylenoamphoacetate functions as: Surfactant – Cleansing, Foaming (amphoteric surfactant derived from undecylenic acid). It is classified as a cosmetic ingredient in our database. CAS number: 93685-81-5 (based on amphoacetate class registration).

What is the Margin of Safety for Sodium Undecylenoamphoacetate?

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.

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