Sodium Trideceth-8 Carboxylate

INCI: SODIUM TRIDECETH-8 CARBOXYLATE

CAS Number
84070-89-3 (closely related ethoxylate chain; CosIng-registered)
Function
Cleansing, Foaming, Surfactant – Cleansing (anionic PEG-ether carboxylate surfactant)
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted; covered under CIR alkyl PEG ether safety assessment – safe when formulated to be non-irritating

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Same ethoxylation-related impurity concerns (1,4-dioxane, ethylene oxide residues) as all PEG-ethers

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Concern Level: Low

Frequently Asked Questions

Is Sodium Trideceth-8 Carboxylate safe in cosmetics?

Same ethoxylation-related impurity concerns (1,4-dioxane, ethylene oxide residues) as all PEG-ethers The EU classifies Sodium Trideceth-8 Carboxylate as "permitted". Safety rating: GOOD.

Is Sodium Trideceth-8 Carboxylate allowed in the EU?

Sodium Trideceth-8 Carboxylate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Sodium Trideceth-8 Carboxylate do in cosmetics?

Sodium Trideceth-8 Carboxylate functions as: Cleansing, Foaming, Surfactant – Cleansing (anionic PEG-ether carboxylate surfactant). It is classified as a cosmetic ingredient in our database. CAS number: 84070-89-3 (closely related ethoxylate chain; CosIng-registered).

What is the Margin of Safety for Sodium Trideceth-8 Carboxylate?

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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