4,4'-Isopropylidenediphenyl/Epichlorohydrin Copolymer Diacrylate

INCI: BISPHENOL A DIGLYCIDYL ETHER/EPICHLOROHYDRIN COPOLYMER DIACRYLATE

CAS Number
55818-57-0
Function
Film former for UV-curable gel nails and nail coatings
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status prohibited
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted; widely used in gel nail systems

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Residual BPA and acrylate monomer sensitization with methacrylate cross-reactivity; incomplete cure in gel nail application increases exposure risk and frequently causes periungual dermatitis

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Concern Level: High

Regulatory Flags

potential-allergen

Frequently Asked Questions

Is 4,4'-Isopropylidenediphenyl/Epichlorohydrin Copolymer Diacrylate safe in cosmetics?

Residual BPA and acrylate monomer sensitization with methacrylate cross-reactivity; incomplete cure in gel nail application increases exposure risk and frequently causes periungual dermatitis The EU classifies 4,4'-Isopropylidenediphenyl/Epichlorohydrin Copolymer Diacrylate as "prohibited". Safety rating: MODERATE.

Is 4,4'-Isopropylidenediphenyl/Epichlorohydrin Copolymer Diacrylate allowed in the EU?

4,4'-Isopropylidenediphenyl/Epichlorohydrin Copolymer Diacrylate EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does 4,4'-Isopropylidenediphenyl/Epichlorohydrin Copolymer Diacrylate do in cosmetics?

4,4'-Isopropylidenediphenyl/Epichlorohydrin Copolymer Diacrylate functions as: Film former for UV-curable gel nails and nail coatings. It is classified as a cosmetic ingredient in our database. CAS number: 55818-57-0.

What is the Margin of Safety for 4,4'-Isopropylidenediphenyl/Epichlorohydrin Copolymer Diacrylate?

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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