Isobutylene/Ethylmaleimide/Hydroxyethylmaleimide Copolymer

INCI: ISOBUTYLENE/ETHYLMALEIMIDE/HYDROXYETHYLMALEIMIDE COPOLYMER

CAS Number
Not widely published
Function
Film forming
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” no specific CFR restriction; no standalone CIR review identified

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
high

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Data gap: no dedicated toxicological dossier available. Maleimide monomer residuals could be irritating at elevated levels; residual monomer specification needed. Supplier safety data recommended before CPSR submission.

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Concern Level: Moderate

Frequently Asked Questions

Is Isobutylene/Ethylmaleimide/Hydroxyethylmaleimide Copolymer safe in cosmetics?

Data gap: no dedicated toxicological dossier available. Maleimide monomer residuals could be irritating at elevated levels; residual monomer specification needed. Supplier safety data recommended before CPSR submission. The EU classifies Isobutylene/Ethylmaleimide/Hydroxyethylmaleimide Copolymer as "permitted". Safety rating: MODERATE.

Is Isobutylene/Ethylmaleimide/Hydroxyethylmaleimide Copolymer allowed in the EU?

Isobutylene/Ethylmaleimide/Hydroxyethylmaleimide Copolymer EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Isobutylene/Ethylmaleimide/Hydroxyethylmaleimide Copolymer do in cosmetics?

Isobutylene/Ethylmaleimide/Hydroxyethylmaleimide Copolymer functions as: Film forming. It is classified as a cosmetic ingredient in our database. CAS number: Not widely published.

What is the Margin of Safety for Isobutylene/Ethylmaleimide/Hydroxyethylmaleimide Copolymer?

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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