Potassium Sulfopropylacrylate

INCI: POTASSIUM SULFOPROPYLACRYLATE

CAS Number
31098-21-2 (potassium 3-sulfopropyl acrylate — verify against supplier CoA)
Function
Hair fixative monomer; used in copolymer synthesis for styling and film-forming applications
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes No specific FDA monograph; regulated under general cosmetic ingredient provisions

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
moderate
Sensitization
moderate

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Residual free monomer must be controlled. Acrylate monomers are established occupational sensitizers. Finished copolymer products must document residual monomer below safe thresholds.

⚠️
Concern Level: Moderate

Regulatory Flags

potential-allergen

Frequently Asked Questions

Is Potassium Sulfopropylacrylate safe in cosmetics?

Residual free monomer must be controlled. Acrylate monomers are established occupational sensitizers. Finished copolymer products must document residual monomer below safe thresholds. The EU classifies Potassium Sulfopropylacrylate as "permitted". Safety rating: GOOD.

Is Potassium Sulfopropylacrylate allowed in the EU?

Potassium Sulfopropylacrylate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Potassium Sulfopropylacrylate do in cosmetics?

Potassium Sulfopropylacrylate functions as: Hair fixative monomer; used in copolymer synthesis for styling and film-forming applications. It is classified as a cosmetic ingredient in our database. CAS number: 31098-21-2 (potassium 3-sulfopropyl acrylate — verify against supplier CoA).

What is the Margin of Safety for Potassium Sulfopropylacrylate?

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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