Sodium Styrene/MA Copolymer

INCI: SODIUM STYRENE/MA COPOLYMER (MA = MALEIC ANHYDRIDE)

CAS Number
25085-68-1 (common for styrene/maleic anhydride sodium salt copolymers)
Function
Film forming, viscosity increasing agent, dispersing agent
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted; no specific restriction; related styrene copolymers reviewed by CIR

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 styrene monomer and unreacted maleic anhydride (a known irritant/sensitizer in free form) must be verified as below threshold

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Concern Level: Moderate

Regulatory Flags

potential-allergen

Frequently Asked Questions

Is Sodium Styrene/MA Copolymer safe in cosmetics?

Residual styrene monomer and unreacted maleic anhydride (a known irritant/sensitizer in free form) must be verified as below threshold The EU classifies Sodium Styrene/MA Copolymer as "permitted". Safety rating: GOOD.

Is Sodium Styrene/MA Copolymer allowed in the EU?

Sodium Styrene/MA Copolymer EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Sodium Styrene/MA Copolymer do in cosmetics?

Sodium Styrene/MA Copolymer functions as: Film forming, viscosity increasing agent, dispersing agent. It is classified as a cosmetic ingredient in our database. CAS number: 25085-68-1 (common for styrene/maleic anhydride sodium salt copolymers).

What is the Margin of Safety for Sodium Styrene/MA 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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