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Cerium Oxide (CeO₂)

Cerium(IV) oxide, or cerium dioxide, usually appears as a yellow powder that is insoluble in water and moderately soluble in strong mineral acids. Cerium oxide is slightly hygroscopic and will absorb small amounts of moisture and CO2 from the atmosphere.

Purities are available from 98% (industrial grade) to 99.999% (high purity grade).
Typical Applications

Cerium(IV) oxide is used in ceramics and to polish glass and stones, as it is commonly used as an abrasive. It also is used to decolorize glass by converting green-tinted impurities to nearly colorless ferric oxides. Cerium oxide is also used in heat-resistant alloy and ceramic coatings. It has applications as a solid electrolyte in fuel cells and is used in catalysis, as an antioxidant, and to generate hydrogen through water splitting.

Packaging Options

Jars, pails, drums, multi-ply paper bags, bulk bags, and fiberboard containers


Cerium Oxide TSCA (SARA Title III) Status: Listed.
For further information, please call the EPA, Office of Chemical Safety and Pollution Prevention (OCSPP) at 202-564-2902
Cerium Oxide CAS Number: 1306-38-3

Sustainable Qualities

Cerium Oxide is a sustainable material used in a variety of applications, including catalysts, fuel cells, and polishing agents. It is a rare earth metal oxide that is biocompatible, non-toxic, and environmentally friendly. Additionally, its unique properties, such as high catalytic activity, make it an ideal material for use in sustainable energy technologies. Cerium Oxide is also used in the production of polishing agents, where it can replace toxic and non-biodegradable materials. Its high durability and recyclability make it a sustainable choice for a variety of industries.

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Specifications Available

  • Cerium Oxide (CeO₂) - Nanopowder
  • Cerium Oxide (CeO₂) - Powder

Select Nanopowder

  • 10~30 nm

Select Powder

  • -100 Mesh


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