Moderate Cosmetic Ingredient

Acrylonitrile/Butadiene/Styrene Copolymer

INCI: ACRYLONITRILE/BUTADIENE/STYRENE COPOLYMER

CAS Number
9003-56-9
Function
Film forming
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status prohibited
🇺🇸 US Status permitted
US Notes No specific FDA restriction; not reviewed by CIR as a standalone ingredient. FDA does not pre-approve cosmetic ingredients under MoCRA but monitors safety

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Residual monomer control is critical due to carcinogenic monomers: acrylonitrile (IARC Group 1, EU CMR 1B), butadiene (IARC Group 1, EU CMR 1A), and styrene (IARC Group 2A). Must verify residual monomer levels via GC-MS/headspace analysis.

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Concern Level: High

Frequently Asked Questions

Is Acrylonitrile/Butadiene/Styrene Copolymer safe in cosmetics?

Residual monomer control is critical due to carcinogenic monomers: acrylonitrile (IARC Group 1, EU CMR 1B), butadiene (IARC Group 1, EU CMR 1A), and styrene (IARC Group 2A). Must verify residual monomer levels via GC-MS/headspace analysis. The EU classifies Acrylonitrile/Butadiene/Styrene Copolymer as "prohibited". Safety rating: MODERATE.

Is Acrylonitrile/Butadiene/Styrene Copolymer allowed in the EU?

Acrylonitrile/Butadiene/Styrene Copolymer EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Acrylonitrile/Butadiene/Styrene Copolymer do in cosmetics?

Acrylonitrile/Butadiene/Styrene Copolymer functions as: Film forming. It is classified as a cosmetic ingredient in our database. CAS number: 9003-56-9.

What is the Margin of Safety for Acrylonitrile/Butadiene/Styrene Copolymer?

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.

Compliance Tools

Check Acrylonitrile/Butadiene/Styrene Copolymer compliance across multiple jurisdictions:

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Ingredient Decoder
Paste a full ingredient list for instant analysis
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82 Allergen Checker
Check for EU declarable fragrance allergens
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Substance Compliance
Check compliance across 55 jurisdictions
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
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Heavy Metal Limits
Compare limits across jurisdictions

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