Cerium (IV) Dioxide CeO2 - 100g

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

Density: ~7.22 g/cm³
Melting Point: ~2,400 °C
Boiling Point: Not applicable (sublimes or decomposes)
Solubility in Water: Insoluble
Solubility in Other Solvents: Insoluble in most solvents; reacts with acids
Odor: Odorless

Applications

Catalysis: Used as a catalyst and catalyst support, especially in automotive catalytic converters and oxidation reactions.
Polishing: A primary abrasive in precision glass polishing (e.g., optics, semiconductors).
Fuel Cells: Applied as an electrolyte material in solid oxide fuel cells (SOFCs).
Glass and Ceramics: Acts as a decolorizing and UV-stabilizing agent in glass manufacturing.
Materials Science: Used in high-temperature coatings and as a component of ceramic materials.

GHS Hazard Statements

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.

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Cerium (IV) Dioxide CeO2 - 100g

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