Ethylhexeth-3 Carboxylic Acid

INCI: ETHYLHEXETH-3 CARBOXYLIC ACID

CAS Number
Mixture/polymeric — ethoxylated carboxylic acid (not uniquely assigned)
Function
Surfactant / cleansing agent
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted — no specific CFR restriction

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

As an ethoxylated ingredient, must test for 1,4-dioxane and ethylene oxide residuals. Mild irritation potential at high concentrations (class effect for anionic surfactants). Limited independent published tox data — read-across needed.

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Concern Level: Low

Frequently Asked Questions

Is Ethylhexeth-3 Carboxylic Acid safe in cosmetics?

As an ethoxylated ingredient, must test for 1,4-dioxane and ethylene oxide residuals. Mild irritation potential at high concentrations (class effect for anionic surfactants). Limited independent published tox data — read-across needed. The EU classifies Ethylhexeth-3 Carboxylic Acid as "permitted". Safety rating: GOOD.

Is Ethylhexeth-3 Carboxylic Acid allowed in the EU?

Ethylhexeth-3 Carboxylic Acid EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Ethylhexeth-3 Carboxylic Acid do in cosmetics?

Ethylhexeth-3 Carboxylic Acid functions as: Surfactant / cleansing agent. It is classified as a cosmetic ingredient in our database. CAS number: Mixture/polymeric — ethoxylated carboxylic acid (not uniquely assigned).

What is the Margin of Safety for Ethylhexeth-3 Carboxylic Acid?

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.

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