Methyl Octadecatrienoate

INCI: METHYL OCTADECATRIENOATE (CHEMICAL NAME: METHYL LINOLENATE - METHYL ESTER OF ฮ‘-LINOLENIC ACID)

CAS Number
301-00-8
Function
Emollient, skin conditioning agent
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Allowed - no specific prohibition; fatty acid methyl esters are generally permitted in cosmetics

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

Low toxicity profile consistent with other fatty acid methyl esters; susceptible to oxidation due to three double bonds (polyunsaturated), requiring antioxidant stabilization in formulations. Derived from linolenic acid (C18:3); highly unsaturated making it prone to rancidity; lightweight emollient with good skin-feel properties

โš ๏ธ
Concern Level: High

Regulatory Flags

ifra_fragrance fda_food_additive

Frequently Asked Questions

Is Methyl Octadecatrienoate safe in cosmetics?

Low toxicity profile consistent with other fatty acid methyl esters; susceptible to oxidation due to three double bonds (polyunsaturated), requiring antioxidant stabilization in formulations. Derived from linolenic acid (C18:3); highly unsaturated making it prone to rancidity; lightweight emollient with good skin-feel properties The EU classifies Methyl Octadecatrienoate as "permitted". Safety rating: MODERATE.

Is Methyl Octadecatrienoate allowed in the EU?

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

What does Methyl Octadecatrienoate do in cosmetics?

Methyl Octadecatrienoate functions as: Emollient, skin conditioning agent. It is classified as a cosmetic ingredient in our database. CAS number: 301-00-8.

What is the Margin of Safety for Methyl Octadecatrienoate?

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.

๐Ÿ“ฑ

Is Methyl Octadecatrienoate in Your Products?

Scan any product label with Piro โ€” our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free โ†’

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Methyl Octadecatrienoate in your formulation.