Isopropylacrylamide

INCI: ISOPROPYLACRYLAMIDE

CAS Number
2210-25-5
Function
Monomer / film-forming / hair-fixing (used as building block for poly(NIPAM) polymers)
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status prohibited
🇺🇸 US Status permitted
US Notes Allowed as a cosmetic ingredient; FDA does not specifically prohibit it but residual acrylamide monomer concerns apply

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Key concern: Acrylamide monomer residuals - acrylamide is a Category 2 carcinogen and neurotoxin; the polymerized form (polyNIPAM) is considered safe, but free monomer must be minimized; potential skin irritant in monomeric form. Also known as NIPAM (N-Isopropylacrylamide); the derived polymer poly(NIPAM) exhibits a lower critical solution temperature (LCST) around 32°C, making it thermoresponsive - it's used in tissue engineering, drug delivery, and smart cosmetic delivery systems

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Concern Level: High

Frequently Asked Questions

Is Isopropylacrylamide safe in cosmetics?

Key concern: Acrylamide monomer residuals - acrylamide is a Category 2 carcinogen and neurotoxin; the polymerized form (polyNIPAM) is considered safe, but free monomer must be minimized; potential skin irritant in monomeric form. Also known as NIPAM (N-Isopropylacrylamide); the derived polymer poly(NIPAM) exhibits a lower critical solution temperature (LCST) around 32°C, making it thermoresponsive - it's used in tissue engineering, drug delivery, and smart cosmetic delivery systems The EU classifies Isopropylacrylamide as "prohibited". Safety rating: MODERATE.

Is Isopropylacrylamide allowed in the EU?

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

What does Isopropylacrylamide do in cosmetics?

Isopropylacrylamide functions as: Monomer / film-forming / hair-fixing (used as building block for poly(NIPAM) polymers). It is classified as a cosmetic ingredient in our database. CAS number: 2210-25-5.

What is the Margin of Safety for Isopropylacrylamide?

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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