C12-13 Pareth-6

INCI: C12-13 PARETH-6

CAS Number
66455-14-9 (general CAS for C12-13 alcohol ethoxylates)
Function
Surfactant – cleansing, emulsifying agent
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Acceptable — CIR group MoS range 113 to >2,600 depending on formulation

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

1,4-Dioxane contamination risk from ethoxylation process; must test and control to <10 ppm. Ethylene oxide residues possible.

⚠️
Concern Level: Moderate

Frequently Asked Questions

Is C12-13 Pareth-6 safe in cosmetics?

1,4-Dioxane contamination risk from ethoxylation process; must test and control to <10 ppm. Ethylene oxide residues possible. The EU classifies C12-13 Pareth-6 as "permitted". Safety rating: GOOD.

Is C12-13 Pareth-6 allowed in the EU?

C12-13 Pareth-6 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does C12-13 Pareth-6 do in cosmetics?

C12-13 Pareth-6 functions as: Surfactant – cleansing, emulsifying agent. It is classified as a cosmetic ingredient in our database. CAS number: 66455-14-9 (general CAS for C12-13 alcohol ethoxylates).

What is the Margin of Safety for C12-13 Pareth-6?

not established 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.

📱

Is C12-13 Pareth-6 in Your Products?

Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free →

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for C12-13 Pareth-6 in your formulation.