Moderate Cosmetic Ingredient

DEA-Cetyl Phosphate

INCI: DEA-CETYL PHOSPHATE

CAS Number
Reported as 69331-39-1 (INCI / EU cosmetic context) and also 61693-41-2 / 65122-24-9 in chemical databases for diethanolamine cetyl phosphate; all refer to DEA salt of cetyl phosphate.
Function
Surfactant – cleansing, emulsifier, and stabilizer in cosmetics
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status restricted
🇺🇸 US Status permitted
US Notes Not specifically banned; evaluated as part of DEA salts group; may be used in rinse-off or low-level applications if safe and without nitrosamine formation

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

DEA-containing emulsifiers are restricted in EU due to nitrosamine contamination risk; use in low-level rinse-off applications only; global brands are moving away from DEA-based surfactants

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Concern Level: Moderate

Frequently Asked Questions

Is DEA-Cetyl Phosphate safe in cosmetics?

DEA-containing emulsifiers are restricted in EU due to nitrosamine contamination risk; use in low-level rinse-off applications only; global brands are moving away from DEA-based surfactants The EU classifies DEA-Cetyl Phosphate as "restricted". Safety rating: MODERATE.

Is DEA-Cetyl Phosphate allowed in the EU?

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

What does DEA-Cetyl Phosphate do in cosmetics?

DEA-Cetyl Phosphate functions as: Surfactant – cleansing, emulsifier, and stabilizer in cosmetics. It is classified as a cosmetic ingredient in our database. CAS number: Reported as 69331-39-1 (INCI / EU cosmetic context) and also 61693-41-2 / 65122-24-9 in chemical databases for diethanolamine cetyl phosphate; all refer to DEA salt of cetyl phosphate..

What is the Margin of Safety for DEA-Cetyl 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.

Compliance Tools

Check DEA-Cetyl Phosphate compliance across multiple jurisdictions:

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Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
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Substance Compliance
Check compliance across 55 jurisdictions
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
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Heavy Metal Limits
Compare limits across jurisdictions

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