Undeceth-11

INCI: UNDECETH-11

CAS Number
34398-01-1 (same generic CAS as undeceth series; specific polymer differs by EO moles)
Function
Skin conditioning, skin conditioning (emollient), surfactant (cleansing), surfactant (emulsifying)
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted for cosmetic use; no specific restrictions

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

Same ethoxylation concerns as Undeceth-10: 1,4-dioxane and ethylene oxide residuals must be controlled. Verify supplier COA for residual levels

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Concern Level: Low

Frequently Asked Questions

Is Undeceth-11 safe in cosmetics?

Same ethoxylation concerns as Undeceth-10: 1,4-dioxane and ethylene oxide residuals must be controlled. Verify supplier COA for residual levels The EU classifies Undeceth-11 as "permitted". Safety rating: GOOD.

Is Undeceth-11 allowed in the EU?

Undeceth-11 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Undeceth-11 do in cosmetics?

Undeceth-11 functions as: Skin conditioning, skin conditioning (emollient), surfactant (cleansing), surfactant (emulsifying). It is classified as a cosmetic ingredient in our database. CAS number: 34398-01-1 (same generic CAS as undeceth series; specific polymer differs by EO moles).

What is the Margin of Safety for Undeceth-11?

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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