Laureth-1 Phosphate

INCI: LAURETH-1 PHOSPHATE

CAS Number
Not uniquely assigned (covered under generic phosphate ester CAS groupings); COSING REF No: 56870
Function
Surfactant – cleansing
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status restricted
🇺🇸 US Status permitted
US Notes Permitted — not restricted under 21 CFR

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

1,4-dioxane impurity concern from ethoxylation; potential eye irritant at higher concentrations. Limited standalone toxicological data with safety inferred from PEG class assessment. Phosphate ester pH sensitivity requires controlled formulation pH.

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Concern Level: Moderate

Frequently Asked Questions

Is Laureth-1 Phosphate safe in cosmetics?

1,4-dioxane impurity concern from ethoxylation; potential eye irritant at higher concentrations. Limited standalone toxicological data with safety inferred from PEG class assessment. Phosphate ester pH sensitivity requires controlled formulation pH. The EU classifies Laureth-1 Phosphate as "restricted". Safety rating: MODERATE.

Is Laureth-1 Phosphate allowed in the EU?

Laureth-1 Phosphate EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does Laureth-1 Phosphate do in cosmetics?

Laureth-1 Phosphate functions as: Surfactant – cleansing. It is classified as a cosmetic ingredient in our database. CAS number: Not uniquely assigned (covered under generic phosphate ester CAS groupings); COSING REF No: 56870.

What is the Margin of Safety for Laureth-1 Phosphate?

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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