Sodium Capryleth-9 Carboxylate

INCI: SODIUM CAPRYLETH-9 CARBOXYLATE

CAS Number
Not individually assigned (alkyl ether carboxylate family)
Function
Surfactant – Cleansing (ether carboxylate, crypto-anionic)
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Not restricted; no individual CIR review

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

🚨 Higher ethoxylation (9 mol EO) = higher 1,4-dioxane contamination risk compared to capryleth-2. Mandatory 1,4-dioxane testing per batch. Ensure supplier provides vacuum stripping/purification documentation. Critical for NY DEC and CA Prop 65 compliance

⚠️
Concern Level: Low

Frequently Asked Questions

Is Sodium Capryleth-9 Carboxylate safe in cosmetics?

🚨 Higher ethoxylation (9 mol EO) = higher 1,4-dioxane contamination risk compared to capryleth-2. Mandatory 1,4-dioxane testing per batch. Ensure supplier provides vacuum stripping/purification documentation. Critical for NY DEC and CA Prop 65 compliance The EU classifies Sodium Capryleth-9 Carboxylate as "permitted". Safety rating: GOOD.

Is Sodium Capryleth-9 Carboxylate allowed in the EU?

Sodium Capryleth-9 Carboxylate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Sodium Capryleth-9 Carboxylate do in cosmetics?

Sodium Capryleth-9 Carboxylate functions as: Surfactant – Cleansing (ether carboxylate, crypto-anionic). It is classified as a cosmetic ingredient in our database. CAS number: Not individually assigned (alkyl ether carboxylate family).

What is the Margin of Safety for Sodium Capryleth-9 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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