Moderate Cosmetic Ingredient NOAEL Data

Sodium C12-15 Pareth-3 Sulfate

INCI: SODIUM C12-15 ALKETH-3 SULFATE (FORMERLY SODIUM C12-15 PARETH-3 SULFATE)

CAS Number
125301-92-0
Function
Surfactant – Cleansing, Foaming Agent
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes CIR-reviewed: "safe as cosmetic ingredients in present practices of use and concentration when formulated to be nonirritating"

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.

Toxicological Studies

10 study endpoints found for Sodium C12-15 Pareth-3 Sulfate. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.

Endpoint Value Route Species Study Type Source
NOAEL >=300 mg/kg bw/day oral rat oral REACH
NOEL >=1 other oral rat oral REACH
NOAEL >225 mg/kg bw/day oral rat oral REACH
NOEL 2.38 other dermal code:3543 dermal REACH
NOEL 2.38 other dermal code:3543 dermal REACH
NOAEL >225 mg/kg bw/day oral rat oral REACH
NOEL 3 other dermal code:3484 dermal REACH
NOEL 3 other dermal code:3484 dermal REACH
NOEL 3 other dermal code:3484 dermal REACH
NOAEL 300 mg/kg bw/day oral - oral REACH

Expert Verdict

Higher irritation potential than >5 EO versions; 1,4-dioxane residual from ethoxylation; must be formulated to be non-irritating per CIR; INCI name updated to "Alketh" convention

⚠️
Concern Level: Moderate

Frequently Asked Questions

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

Higher irritation potential than >5 EO versions; 1,4-dioxane residual from ethoxylation; must be formulated to be non-irritating per CIR; INCI name updated to "Alketh" convention The EU classifies Sodium C12-15 Pareth-3 Sulfate as "permitted". Safety rating: MODERATE. 10 toxicological study endpoint(s) are available in our database.

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

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

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

Sodium C12-15 Pareth-3 Sulfate functions as: Surfactant – Cleansing, Foaming Agent. It is classified as a cosmetic ingredient in our database. CAS number: 125301-92-0.

What is the Margin of Safety for Sodium C12-15 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.

What is the NOAEL for Sodium C12-15 Pareth-3 Sulfate?

The NOAEL (No Observed Adverse Effect Level) for Sodium C12-15 Pareth-3 Sulfate is >=300 mg/kg bw/day based on a oral study via oral route in rat. A total of 10 study endpoints are available. Source: REACH.

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