Ceteth-9 Stearate

INCI: CETETH-9 STEARATE

CAS Number
No discrete CAS assigned (PEG-9 cetyl ether stearate ester)
Function
Surfactant – Emulsifying, Skin Conditioning
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Not restricted; covered by CIR group assessment

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

Control 1,4-dioxane and ethylene oxide residuals; limited ingredient-specific data requires read-across approach for CPSR.

⚠️
Concern Level: Moderate

Frequently Asked Questions

Is Ceteth-9 Stearate safe in cosmetics?

Control 1,4-dioxane and ethylene oxide residuals; limited ingredient-specific data requires read-across approach for CPSR. The EU classifies Ceteth-9 Stearate as "permitted". Safety rating: MODERATE.

Is Ceteth-9 Stearate allowed in the EU?

Ceteth-9 Stearate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Ceteth-9 Stearate do in cosmetics?

Ceteth-9 Stearate functions as: Surfactant – Emulsifying, Skin Conditioning. It is classified as a cosmetic ingredient in our database. CAS number: No discrete CAS assigned (PEG-9 cetyl ether stearate ester).

What is the Margin of Safety for Ceteth-9 Stearate?

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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