Heptyl Methacrylate

INCI: HEPTYL METHACRYLATE

CAS Number
2549-53-3 (note: CAS 142-09-6 is Hexyl Methacrylate — distinct ingredient)
Function
Film former / nail enhancement monomer (methacrylate ester class)
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status prohibited
🇺🇸 US Status permitted
US Notes Permitted in nail products — CIR Expert Panel concluded methacrylate ester monomers are safe when application is accompanied by directions to avoid skin contact

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Heptyl Methacrylate is prohibited in EU cosmetics but permitted in US nail products; methacrylate ester monomer with moderate safety profile requiring skin contact avoidance.

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Concern Level: Moderate

Frequently Asked Questions

Is Heptyl Methacrylate safe in cosmetics?

Heptyl Methacrylate is prohibited in EU cosmetics but permitted in US nail products; methacrylate ester monomer with moderate safety profile requiring skin contact avoidance. The EU classifies Heptyl Methacrylate as "prohibited". Safety rating: MODERATE.

Is Heptyl Methacrylate allowed in the EU?

Heptyl Methacrylate EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Heptyl Methacrylate do in cosmetics?

Heptyl Methacrylate functions as: Film former / nail enhancement monomer (methacrylate ester class). It is classified as a cosmetic ingredient in our database. CAS number: 2549-53-3 (note: CAS 142-09-6 is Hexyl Methacrylate — distinct ingredient).

What is the Margin of Safety for Heptyl 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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