Sodium C13-15 Pareth-3 Sulfate

INCI: SODIUM C13-15 PARETH-3 SULFATE

CAS Number
No uniquely assigned CAS widely published; structurally related to 125301-92-0 (C12-15 variant)
Function
Cleansing, Foaming, Emulsifying, Solubilizing
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status restricted
US Notes Not specifically restricted; falls under CIR review of ethoxylated alkyl sulfates โ€“ safe when formulated to be non-irritating

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Low EO = higher irritation risk compared to >5 EO; 1,4-dioxane ethoxylation residual; unstable in strong acid conditions; stable in alkali, weak acid, and hard water

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Concern Level: Moderate

Frequently Asked Questions

Is Sodium C13-15 Pareth-3 Sulfate safe in cosmetics?

Low EO = higher irritation risk compared to >5 EO; 1,4-dioxane ethoxylation residual; unstable in strong acid conditions; stable in alkali, weak acid, and hard water The EU classifies Sodium C13-15 Pareth-3 Sulfate as "permitted". Safety rating: MODERATE.

Is Sodium C13-15 Pareth-3 Sulfate allowed in the EU?

Sodium C13-15 Pareth-3 Sulfate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Sodium C13-15 Pareth-3 Sulfate do in cosmetics?

Sodium C13-15 Pareth-3 Sulfate functions as: Cleansing, Foaming, Emulsifying, Solubilizing. It is classified as a cosmetic ingredient in our database. CAS number: No uniquely assigned CAS widely published; structurally related to 125301-92-0 (C12-15 variant).

What is the Margin of Safety for Sodium C13-15 Pareth-3 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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