Eicosatrienoic Acid

INCI: EICOSATRIENOIC ACID

CAS Number
1783-84-2 (8Z,11Z,14Z-isomer, dihomo-γ-linolenic acid) ; 17046-59-2 (11Z,14Z,17Z-isomer, ETA)
Function
Skin conditioning, emollient
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted — CIR Final Report available (04/2019)

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Susceptible to oxidation due to 3 double bonds; antioxidant protection required in formulations. Specify isomer (8,11,14 vs 11,14,17) for regulatory clarity. CIR assessed as part of plant-derived fatty acid oils review.

⚠️
Concern Level: Low

Regulatory Flags

natural-origin

Frequently Asked Questions

Is Eicosatrienoic Acid safe in cosmetics?

Susceptible to oxidation due to 3 double bonds; antioxidant protection required in formulations. Specify isomer (8,11,14 vs 11,14,17) for regulatory clarity. CIR assessed as part of plant-derived fatty acid oils review. The EU classifies Eicosatrienoic Acid as "permitted". Safety rating: GOOD.

Is Eicosatrienoic Acid allowed in the EU?

Eicosatrienoic Acid EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Eicosatrienoic Acid do in cosmetics?

Eicosatrienoic Acid functions as: Skin conditioning, emollient. It is classified as a cosmetic ingredient in our database. CAS number: 1783-84-2 (8Z,11Z,14Z-isomer, dihomo-γ-linolenic acid) ; 17046-59-2 (11Z,14Z,17Z-isomer, ETA).

What is the Margin of Safety for Eicosatrienoic Acid?

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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