Sodium Ceteth-13 Carboxylate

INCI: SODIUM CETETH-13 CARBOXYLATE

CAS Number
33939-65-0
Function
Surfactant (cleansing), surfactant (emulsifying)
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted; same CIR family as above

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

Ethoxylated โ€” same 1,4-dioxane and ethylene oxide residual concerns as \#6; must verify residual levels comply with NY DEC (<2 ppm by 2026) and California standards

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Concern Level: Low

Frequently Asked Questions

Is Sodium Ceteth-13 Carboxylate safe in cosmetics?

Ethoxylated โ€” same 1,4-dioxane and ethylene oxide residual concerns as \#6; must verify residual levels comply with NY DEC (<2 ppm by 2026) and California standards The EU classifies Sodium Ceteth-13 Carboxylate as "permitted". Safety rating: GOOD.

Is Sodium Ceteth-13 Carboxylate allowed in the EU?

Sodium Ceteth-13 Carboxylate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Sodium Ceteth-13 Carboxylate do in cosmetics?

Sodium Ceteth-13 Carboxylate functions as: Surfactant (cleansing), surfactant (emulsifying). It is classified as a cosmetic ingredient in our database. CAS number: 33939-65-0.

What is the Margin of Safety for Sodium Ceteth-13 Carboxylate?

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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