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Surfactant

NONOXYNOL-3 PHOSPHATE

CAS 51811-79-1 (generic) Updated
50

Safety score · 0–100

Moderate

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

A short-chain nonylphenol-3 phosphate ester emulsifier. Like other nonylphenol ethoxylates, it is an EU-recognized endocrine disruptor with aquatic toxicity — being phased out of cosmetic use.

Function

SURFACTANT - EMULSIFYINGSURFACTANT - HYDROTROPESURFACTANT - CLEANSING

Skin benefits

  • Effective phosphate ester emulsifier
  • Short-chain ethoxylate — lower 1,4-dioxane potential
  • Stable across pH range

Known concerns

  • Nonylphenol ethoxylate base — EU SVHC for endocrine disruption
  • Significant aquatic toxicity
  • Increasingly restricted in EU and OEM brands

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.