C18-36 Acid

INCI: C18-36 ACID

CAS Number
Not uniquely assigned (mixture of straight-chain fatty acids, C18–C36). The glycol ester form (C18-36 Acid Glycol Ester) carries CAS 94944-95-3
Function
Skin conditioning agent—emollient; Emulsifying; Viscosity controlling
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes CIR: Fatty acids in this range are covered under multiple CIR reports (stearic acid, etc.) — Safe as used. Component fatty acids (stearic, behenic, etc.) individually CIR-reviewed

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

No major concerns. Verify purity specification (free of short-chain irritant acids) with CoA

⚠️
Concern Level: Low

Frequently Asked Questions

Is C18-36 Acid safe in cosmetics?

No major concerns. Verify purity specification (free of short-chain irritant acids) with CoA The EU classifies C18-36 Acid as "permitted". Safety rating: GOOD.

Is C18-36 Acid allowed in the EU?

C18-36 Acid EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does C18-36 Acid do in cosmetics?

C18-36 Acid functions as: Skin conditioning agent—emollient; Emulsifying; Viscosity controlling. It is classified as a cosmetic ingredient in our database. CAS number: Not uniquely assigned (mixture of straight-chain fatty acids, C18–C36). The glycol ester form (C18-36 Acid Glycol Ester) carries CAS 94944-95-3.

What is the Margin of Safety for C18-36 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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