Sodium Tridecyl Sulfate

INCI: SODIUM TRIDECYL SULFATE

CAS Number
3026-63-9
Function
Cleansing, Foaming, Surfactant – Cleansing, Surfactant – Emulsifying
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted for cosmetic use; related alkyl sulfates reviewed by CIR

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Primary concern is skin irritation/defatting, especially at higher concentrations or prolonged contact; similar irritancy profile to sodium lauryl sulfate class

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Concern Level: Moderate

Frequently Asked Questions

Is Sodium Tridecyl Sulfate safe in cosmetics?

Primary concern is skin irritation/defatting, especially at higher concentrations or prolonged contact; similar irritancy profile to sodium lauryl sulfate class The EU classifies Sodium Tridecyl Sulfate as "permitted". Safety rating: MODERATE.

Is Sodium Tridecyl Sulfate allowed in the EU?

Sodium Tridecyl Sulfate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Sodium Tridecyl Sulfate do in cosmetics?

Sodium Tridecyl Sulfate functions as: Cleansing, Foaming, Surfactant – Cleansing, Surfactant – Emulsifying. It is classified as a cosmetic ingredient in our database. CAS number: 3026-63-9.

What is the Margin of Safety for Sodium Tridecyl Sulfate?

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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