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Surfactant

SODIUM METHYLNAPHTHALENESULFONATE

CAS 26264-58-4 Updated
45

Safety score · 0–100

Moderate

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

About

An aromatic sulfonate hydrotrope and surfactant based on methylnaphthalene. The naphthalene core is IARC Group 2B (possibly carcinogenic), so cosmetic-grade use should be limited and well-purified.

Function

GEL FORMINGSURFACTANT - HYDROTROPESURFACTANT - CLEANSING

Skin benefits

  • Effective hydrotrope and viscosity reducer
  • Useful in surfactant solubilization
  • Industrial-grade cleanser support

Known concerns

  • Naphthalene core has IARC Group 2B (possibly carcinogenic) classification
  • Sparse data specifically for the methyl-sulfonate variant
  • Aquatic toxicity

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.