Skip to content

Surfactant

NONOXYNOL-3 PHOSPHATE

CAS 51811-79-1 (generic)
50

Safety score · 0–100

Moderate

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

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.

Related surfactants

50
AMMONIUM C12-16 ALKYL SULFATE
Surfactant
 50
BUTOXYNOL-5 CARBOXYLIC ACID
Surfactant
 50
DI-TEA-PALMITOYL ASPARTATE
Surfactant
 50
DIISOPROPYL HEPTYL PHOSPHINE OXIDE
Surfactant
 50
DIPA-LANOLATE
Surfactant
 50
DISODIUM LAURIMINODIPROPIONATE
Surfactant
 50
DISODIUM METHYLENE DINAPHTHALENESULFONATE
Surfactant
 50
DISODIUM NONOXYNOL-10 SULFOSUCCINATE
Surfactant

Check your shelf

Find NONOXYNOL-3 PHOSPHATE in your products.

Scan any cosmetic product with LuxSense to see if it contains NONOXYNOL-3 PHOSPHATE and get a full ingredient breakdown with safety scores.

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