Tricaprylyl/Capryl Trimellitate

INCI: TRICAPRYLYL/CAPRYL TRIMELLITATE

CAS Number
Mixture — no single CAS; component esters of trimellitic acid with C8 alcohols
Function
Emollient, skin conditioning, viscosity controlling
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted for cosmetic use

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
negligible
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Critical QC concern: Trimellitic anhydride (TMA), the acid precursor, is a known respiratory and dermal sensitizer — ensure complete esterification and test for residual TMA; otherwise well-tolerated as a fully reacted ester

⚠️
Concern Level: Moderate

Regulatory Flags

potential-allergen

Frequently Asked Questions

Is Tricaprylyl/Capryl Trimellitate safe in cosmetics?

Critical QC concern: Trimellitic anhydride (TMA), the acid precursor, is a known respiratory and dermal sensitizer — ensure complete esterification and test for residual TMA; otherwise well-tolerated as a fully reacted ester The EU classifies Tricaprylyl/Capryl Trimellitate as "permitted". Safety rating: GOOD.

Is Tricaprylyl/Capryl Trimellitate allowed in the EU?

Tricaprylyl/Capryl Trimellitate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Tricaprylyl/Capryl Trimellitate do in cosmetics?

Tricaprylyl/Capryl Trimellitate functions as: Emollient, skin conditioning, viscosity controlling. It is classified as a cosmetic ingredient in our database. CAS number: Mixture — no single CAS; component esters of trimellitic acid with C8 alcohols.

What is the Margin of Safety for Tricaprylyl/Capryl Trimellitate?

adequate 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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