 CeO2 - 5000g = 5kg "Pin It")
Cerium(IV) Dioxide (CeO₂)
Other Names: Cerium Oxide, Ceric Oxide
CAS Number: 1306-38-3
Sum Formula: CeO₂
Molar Mass: 172.11 g/mol
Appearance: Pale yellow to white powder
Description:
Cerium(IV) dioxide is a pale yellow, high-surface-area oxide of cerium used in a variety of industrial and laboratory applications. As a stable oxide of a rare earth metal, it exhibits excellent redox properties and thermal stability.
Chemical and Physical Properties
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Density: ~7.22 g/cm³
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Melting Point: ~2,400 °C
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Boiling Point: Not applicable (sublimes or decomposes)
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Solubility in Water: Insoluble
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Solubility in Other Solvents: Insoluble in most solvents; reacts with acids
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Odor: Odorless
Applications
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Catalysis: Used as a catalyst and catalyst support, especially in automotive catalytic converters and oxidation reactions.
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Polishing: A primary abrasive in precision glass polishing (e.g., optics, semiconductors).
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Fuel Cells: Applied as an electrolyte material in solid oxide fuel cells (SOFCs).
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Glass and Ceramics: Acts as a decolorizing and UV-stabilizing agent in glass manufacturing.
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Materials Science: Used in high-temperature coatings and as a component of ceramic materials.
Not Classified
Handling and Storage
Storage Conditions: Store in a tightly sealed container in a dry, cool, and well-ventilated place. Protect from moisture and incompatible materials such as strong acids.
Handling Precautions: Avoid dust formation. Use appropriate protective equipment and adequate ventilation.
