Moderate Cosmetic Ingredient

DEA-Oleth-5 Phosphate

INCI: DEA-OLETH-5 PHOSPHATE

CAS Number
58855-63-3
Function
Surfactant - Cleansing; Surfactant - Emulsifying
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status prohibited
🇺🇸 US Status permitted
US Notes Allowed but with DEA-related safety concerns flagged by FDA

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

Same DEA/NDELA nitrosamine formation risk as all DEA compounds; potential carcinogenicity and organ toxicity. Higher ethoxylation (5 EO) than the -3 variant, making it more hydrophilic with improved water solubility; functions as both emulsifier and cleansing surfactant

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Concern Level: High

Frequently Asked Questions

Is DEA-Oleth-5 Phosphate safe in cosmetics?

Same DEA/NDELA nitrosamine formation risk as all DEA compounds; potential carcinogenicity and organ toxicity. Higher ethoxylation (5 EO) than the -3 variant, making it more hydrophilic with improved water solubility; functions as both emulsifier and cleansing surfactant The EU classifies DEA-Oleth-5 Phosphate as "prohibited". Safety rating: MODERATE.

Is DEA-Oleth-5 Phosphate allowed in the EU?

DEA-Oleth-5 Phosphate EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does DEA-Oleth-5 Phosphate do in cosmetics?

DEA-Oleth-5 Phosphate functions as: Surfactant - Cleansing; Surfactant - Emulsifying. It is classified as a cosmetic ingredient in our database. CAS number: 58855-63-3.

What is the Margin of Safety for DEA-Oleth-5 Phosphate?

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.

Compliance Tools

Check DEA-Oleth-5 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
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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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