TEA-C11-15 Pareth Sulfate

INCI: TEA-C11-15 PARETH SULFATE

CAS Number
Not specifically assigned (TEA salt of sulfate ester of monoethoxylated C11-15 fatty alcohols)
Function
Surfactant – cleansing, emulsifying
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status restricted
🇺🇸 US Status permitted
US Notes Permitted; CIR assessed as part of TEA-containing ingredients — safe when formulated to be nonirritating; no reported current uses in VCRP

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

⚠ No current reported commercial uses (VCRP); N-nitrosamine formation risk; potential 1,4-dioxane contamination from ethoxylation process; secondary amine impurity limits apply

⚠️
Concern Level: Low

Frequently Asked Questions

Is TEA-C11-15 Pareth Sulfate safe in cosmetics?

⚠ No current reported commercial uses (VCRP); N-nitrosamine formation risk; potential 1,4-dioxane contamination from ethoxylation process; secondary amine impurity limits apply The EU classifies TEA-C11-15 Pareth Sulfate as "restricted". Safety rating: GOOD.

Is TEA-C11-15 Pareth Sulfate allowed in the EU?

TEA-C11-15 Pareth Sulfate EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does TEA-C11-15 Pareth Sulfate do in cosmetics?

TEA-C11-15 Pareth Sulfate functions as: Surfactant – cleansing, emulsifying. It is classified as a cosmetic ingredient in our database. CAS number: Not specifically assigned (TEA salt of sulfate ester of monoethoxylated C11-15 fatty alcohols).

What is the Margin of Safety for TEA-C11-15 Pareth 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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