C11-21 Pareth-10

INCI: C11-21 PARETH-10

CAS Number
246538-82-9
Function
Emulsifier, Surfactant (cleansing)
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Adequate per 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

Must test for 1,4-dioxane and ethylene oxide residuals (process contaminants from ethoxylation). Oleths in the same family may increase stratum corneum permeability in vitro.

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Concern Level: Low

Frequently Asked Questions

Is C11-21 Pareth-10 safe in cosmetics?

Must test for 1,4-dioxane and ethylene oxide residuals (process contaminants from ethoxylation). Oleths in the same family may increase stratum corneum permeability in vitro. The EU classifies C11-21 Pareth-10 as "permitted". Safety rating: GOOD.

Is C11-21 Pareth-10 allowed in the EU?

C11-21 Pareth-10 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does C11-21 Pareth-10 do in cosmetics?

C11-21 Pareth-10 functions as: Emulsifier, Surfactant (cleansing). It is classified as a cosmetic ingredient in our database. CAS number: 246538-82-9.

What is the Margin of Safety for C11-21 Pareth-10?

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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