Poor Cosmetic Ingredient

Adipic Acid/Neopentyl Glycol/Trimellitic Anhydride Copolymer

INCI: ADIPIC ACID/NEOPENTYL GLYCOL/TRIMELLITIC ANHYDRIDE COPOLYMER

CAS Number
28407-73-0
Function
Film forming
Safety Rating
POOR

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status restricted
US Notes CIR concluded insufficient data to support safety (Sept 2016 Draft Final Report). The Panel found the copolymer is essentially chemically undefined with no adequate method of manufacture, molecular weight, composition, or residual monomer data submitted.

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

CIR Panel refused to clear this ingredient due to complete lack of chemical definition and residual monomer concerns; trimellitic anhydride is a potent respiratory sensitizer and immunologic agent.

⚠️
Concern Level: High

Regulatory Flags

potential-allergen

Frequently Asked Questions

Is Adipic Acid/Neopentyl Glycol/Trimellitic Anhydride Copolymer safe in cosmetics?

CIR Panel refused to clear this ingredient due to complete lack of chemical definition and residual monomer concerns; trimellitic anhydride is a potent respiratory sensitizer and immunologic agent. The EU classifies Adipic Acid/Neopentyl Glycol/Trimellitic Anhydride Copolymer as "permitted". Safety rating: POOR.

Is Adipic Acid/Neopentyl Glycol/Trimellitic Anhydride Copolymer allowed in the EU?

Adipic Acid/Neopentyl Glycol/Trimellitic Anhydride Copolymer EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Adipic Acid/Neopentyl Glycol/Trimellitic Anhydride Copolymer do in cosmetics?

Adipic Acid/Neopentyl Glycol/Trimellitic Anhydride Copolymer functions as: Film forming. It is classified as a cosmetic ingredient in our database. CAS number: 28407-73-0.

What is the Margin of Safety for Adipic Acid/Neopentyl Glycol/Trimellitic Anhydride 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 Adipic Acid/Neopentyl Glycol/Trimellitic Anhydride Copolymer compliance across multiple jurisdictions:

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Ingredient Decoder
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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
 ⚗️
Heavy Metal Limits
Compare limits across jurisdictions

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