Dwutlenek ceru (IV) 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.

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.