CAS 1302-74-5
:Corundum
Description:
Corundum is a crystalline form of aluminum oxide (Al₂O₃) and is known for its hardness, ranking just below diamond on the Mohs scale. It typically appears in a variety of colors, including clear, red (ruby), blue (sapphire), and other hues, depending on the presence of trace elements. Corundum has a hexagonal crystal structure and exhibits excellent thermal stability and electrical insulation properties. It is chemically inert and resistant to most acids and bases, making it suitable for various industrial applications, including abrasives, refractory materials, and gemstones. Corundum is also used in the production of synthetic sapphires and rubies for electronics and optics. Its high melting point and durability contribute to its use in high-temperature applications. Additionally, corundum's optical properties make it valuable in the manufacture of watch crystals and other transparent components. Overall, corundum is a versatile and significant material in both natural and synthetic forms.
Formula:Al2O3
Synonyms:- KO 7
- Corundum (Al2O3)
- α-Corundum
- Electrocorundum
- Corundum
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