Good Cosmetic Ingredient

Ethylhexeth-2 Phosphate

INCI: ETHYLHEXETH-2 PHOSPHATE

CAS Number
Mixture/polymeric — typically reported under generic ethoxylated phosphate ester CAS (not uniquely assigned)
Function
Surfactant / emulsifier (anionic phosphate ester)
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted — no specific CFR restriction

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

Limited ingredient-specific toxicological data; read-across from related PEG phosphate esters is supportable but must be documented in CPSR. Ensure 1,4-dioxane and ethylene oxide residuals are tested (ethoxylated ingredient).

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Concern Level: Low

Frequently Asked Questions

Is Ethylhexeth-2 Phosphate safe in cosmetics?

Limited ingredient-specific toxicological data; read-across from related PEG phosphate esters is supportable but must be documented in CPSR. Ensure 1,4-dioxane and ethylene oxide residuals are tested (ethoxylated ingredient). The EU classifies Ethylhexeth-2 Phosphate as "permitted". Safety rating: GOOD.

Is Ethylhexeth-2 Phosphate allowed in the EU?

Ethylhexeth-2 Phosphate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Ethylhexeth-2 Phosphate do in cosmetics?

Ethylhexeth-2 Phosphate functions as: Surfactant / emulsifier (anionic phosphate ester). It is classified as a cosmetic ingredient in our database. CAS number: Mixture/polymeric — typically reported under generic ethoxylated phosphate ester CAS (not uniquely assigned).

What is the Margin of Safety for Ethylhexeth-2 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 Ethylhexeth-2 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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