Cerium Oxide (CeO₂)

Category Details
Chemical Formula CeO₂
Appearance White/off‑white powder
Properties
  • Strong oxygen storage and release capability
  • Melting Point: ~2400°C
  • Polishing & antioxidant properties
  • UV-absorbing behavior
Applications
  • Auto catalytic converters (oxygen buffering)
  • Glass and gemstone polishing agents
  • Fuel cell components and catalysts
  • UV-blocking coatings
  • CMP (chemical-mechanical planarization) slurries
Production
  • Produced by refining monazite/bastnäsite concentrates
  • Oxidation and calcination steps yield CeO₂
Market Value
  • Largest produced rare-earth oxide by volume
  • Broad industrial demand across automotive and polishing markets
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