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Inorganic fluorosilicate salt

Ammonium fluorosilicate

CAS 16919-19-0
15

Safety score · 0–100

Avoid

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

A toxic inorganic fluorosilicate salt that releases hydrofluoric acid on contact with moisture, posing severe acute and systemic toxicity risks and unsuitable for cosmetic use.

Skin benefits

  • Used industrially as a fluoride source
  • Some dental applications outside cosmetics

Known concerns

  • Releases hydrofluoric acid and fluoride on contact with moisture
  • Acutely toxic by inhalation, ingestion, and dermal contact
  • Corrosive and severely irritating to skin and eyes
  • Not permitted as a general cosmetic ingredient
  • Systemic fluoride toxicity risk

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, so always read the physical product label and consult a healthcare professional for personal concerns.