Sodium C12-15 Pareth-3 Sulfonate

INCI: SODIUM C12-15 PARETH-3 SULFONATE

CAS Number
No unique CAS widely published; related to parent alcohol CAS 68131-39-5
Function
Surfactant – Cleansing, Emulsifying
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status restricted
US Notes Not specifically restricted; no separate CIR monograph; falls under broader ethoxylated alcohol safety review

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

Low EO number = higher irritation risk; 1,4-dioxane trace concern; less data available than sulfate analogue; sulfonate linkage is more hydrolytically stable

⚠️
Concern Level: Moderate

Frequently Asked Questions

Is Sodium C12-15 Pareth-3 Sulfonate safe in cosmetics?

Low EO number = higher irritation risk; 1,4-dioxane trace concern; less data available than sulfate analogue; sulfonate linkage is more hydrolytically stable The EU classifies Sodium C12-15 Pareth-3 Sulfonate as "permitted". Safety rating: MODERATE.

Is Sodium C12-15 Pareth-3 Sulfonate allowed in the EU?

Sodium C12-15 Pareth-3 Sulfonate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Sodium C12-15 Pareth-3 Sulfonate do in cosmetics?

Sodium C12-15 Pareth-3 Sulfonate functions as: Surfactant – Cleansing, Emulsifying. It is classified as a cosmetic ingredient in our database. CAS number: No unique CAS widely published; related to parent alcohol CAS 68131-39-5.

What is the Margin of Safety for Sodium C12-15 Pareth-3 Sulfonate?

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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