Deceth-7 Carboxylic Acid

INCI: DECETH-7 CARBOXYLIC ACID

CAS Number
53563-71-6 (free acid); 38815-93-9 (sodium salt form)
Function
Surfactant — mild anionic cleanser (carboxymethylated PEG ether of decyl alcohol)
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted — FDA UNII 9W5CF3U1RQ registered; no 21 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

Mild anionic surfactant with potential 1,4-dioxane contamination from ethoxylation; causes skin and eye irritation at neat concentration with limited independent toxicological data.

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Concern Level: Moderate

Frequently Asked Questions

Is Deceth-7 Carboxylic Acid safe in cosmetics?

Mild anionic surfactant with potential 1,4-dioxane contamination from ethoxylation; causes skin and eye irritation at neat concentration with limited independent toxicological data. The EU classifies Deceth-7 Carboxylic Acid as "permitted". Safety rating: GOOD.

Is Deceth-7 Carboxylic Acid allowed in the EU?

Deceth-7 Carboxylic Acid EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Deceth-7 Carboxylic Acid do in cosmetics?

Deceth-7 Carboxylic Acid functions as: Surfactant — mild anionic cleanser (carboxymethylated PEG ether of decyl alcohol). It is classified as a cosmetic ingredient in our database. CAS number: 53563-71-6 (free acid); 38815-93-9 (sodium salt form).

What is the Margin of Safety for Deceth-7 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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