Butyl Acrylate/Hydroxyethyl Methacrylate Copolymer

INCI: BUTYL ACRYLATE/HYDROXYETHYL METHACRYLATE COPOLYMER

CAS Number
Not publicly assigned (polymer)
Function
Film forming
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes CIR (2019): Safe as used when formulated to be non-irritating

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

HEMA residual monomer is a significant flag โ€” 2-hydroxyethyl methacrylate is a documented contact allergen, especially relevant for nail technicians; residual HEMA must be verified at batch level

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Concern Level: Moderate

Regulatory Flags

potential-allergen

Frequently Asked Questions

Is Butyl Acrylate/Hydroxyethyl Methacrylate Copolymer safe in cosmetics?

HEMA residual monomer is a significant flag โ€” 2-hydroxyethyl methacrylate is a documented contact allergen, especially relevant for nail technicians; residual HEMA must be verified at batch level The EU classifies Butyl Acrylate/Hydroxyethyl Methacrylate Copolymer as "permitted". Safety rating: GOOD.

Is Butyl Acrylate/Hydroxyethyl Methacrylate Copolymer allowed in the EU?

Butyl Acrylate/Hydroxyethyl Methacrylate Copolymer EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Butyl Acrylate/Hydroxyethyl Methacrylate Copolymer do in cosmetics?

Butyl Acrylate/Hydroxyethyl Methacrylate Copolymer functions as: Film forming. It is classified as a cosmetic ingredient in our database. CAS number: Not publicly assigned (polymer).

What is the Margin of Safety for Butyl Acrylate/Hydroxyethyl Methacrylate Copolymer?

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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Is Butyl Acrylate/Hydroxyethyl Methacrylate Copolymer in Your Products?

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