Butadiene/Isoprene Copolymer

INCI: BUTADIENE/ISOPRENE COPOLYMER

CAS Number
Not assigned (high MW polymer)
Function
Skin conditioning
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status prohibited
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not formally calculated; requires residual monomer specification from supplier

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Residual 1,3-butadiene monomer is IARC Group 1 carcinogen; supplier CoA must confirm residual butadiene < 1 ppm and requires impurity profiling for CPSR.

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Concern Level: High

Frequently Asked Questions

Is Butadiene/Isoprene Copolymer safe in cosmetics?

Residual 1,3-butadiene monomer is IARC Group 1 carcinogen; supplier CoA must confirm residual butadiene < 1 ppm and requires impurity profiling for CPSR. The EU classifies Butadiene/Isoprene Copolymer as "prohibited". Safety rating: MODERATE.

Is Butadiene/Isoprene Copolymer allowed in the EU?

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

What does Butadiene/Isoprene Copolymer do in cosmetics?

Butadiene/Isoprene Copolymer functions as: Skin conditioning. It is classified as a cosmetic ingredient in our database. CAS number: Not assigned (high MW polymer).

What is the Margin of Safety for Butadiene/Isoprene 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.

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