Ceteth-13

INCI: CETETH-13

CAS Number
9004-95-9 (generic CAS for polyoxyethylene cetyl ethers)
Function
Surfactant – emulsifying, solubilizing
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status restricted
🇺🇸 US Status permitted
US Notes Covered under CIR alkyl PEG ether assessment — safe when formulated to be non-irritating

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

Contains potential 1,4-dioxane and ethylene oxide residuals; less commonly used than Ceteth-10 or Ceteth-20, with limited use-concentration data available.

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Concern Level: Moderate

Frequently Asked Questions

Is Ceteth-13 safe in cosmetics?

Contains potential 1,4-dioxane and ethylene oxide residuals; less commonly used than Ceteth-10 or Ceteth-20, with limited use-concentration data available. The EU classifies Ceteth-13 as "restricted". Safety rating: MODERATE.

Is Ceteth-13 allowed in the EU?

Ceteth-13 EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does Ceteth-13 do in cosmetics?

Ceteth-13 functions as: Surfactant – emulsifying, solubilizing. It is classified as a cosmetic ingredient in our database. CAS number: 9004-95-9 (generic CAS for polyoxyethylene cetyl ethers).

What is the Margin of Safety for Ceteth-13?

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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