Ceteareth-20 Methacrylate

INCI: CETEARETH-20 METHACRYLATE

CAS Number
Not individually assigned (used as monomer in Acrylates/Ceteareth-20 Methacrylate Copolymer and Crosspolymer)
Function
Film forming; viscosity controlling; emulsion stabilizing (used in polymerized/crosslinked form)
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes CIR assessed the acrylates copolymers class โ€” residual monomer must be <100 ppm

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Residual methacrylate monomer is a contact sensitizer โ€” must verify <100 ppm; 1,4-dioxane from ethoxylated component

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Concern Level: Moderate

Regulatory Flags

potential-allergen

Frequently Asked Questions

Is Ceteareth-20 Methacrylate safe in cosmetics?

Residual methacrylate monomer is a contact sensitizer โ€” must verify <100 ppm; 1,4-dioxane from ethoxylated component The EU classifies Ceteareth-20 Methacrylate as "permitted". Safety rating: MODERATE.

Is Ceteareth-20 Methacrylate allowed in the EU?

Ceteareth-20 Methacrylate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Ceteareth-20 Methacrylate do in cosmetics?

Ceteareth-20 Methacrylate functions as: Film forming; viscosity controlling; emulsion stabilizing (used in polymerized/crosslinked form). It is classified as a cosmetic ingredient in our database. CAS number: Not individually assigned (used as monomer in Acrylates/Ceteareth-20 Methacrylate Copolymer and Crosspolymer).

What is the Margin of Safety for Ceteareth-20 Methacrylate?

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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