Aluminum Oxide (Al2O3)-Pieces

Characteristic

Aluminium oxide, chemical formula Al2O3. Is a high hardness compound, ionized at high temperature ionic crystals, often used in the manufacture of refractories. Alumina has many paramorph, There are more than 10 kinds of crystal known, mainly three crystal types, α-Al2O3、β-Al2O3、γ-Al2O3, in which the structure and properties are different.




Chemical formula:Al2O3

Molar mass:101.960 g·mol−1

Appearance:white solid

Odor:odorless

Density:3.987g/cm3

Melting point:2,072 °C (3,762 °F; 2,345 K)

Boiling point:2,977 °C (5,391 °F; 3,250 K)

Solubility in water:insoluble

Solubility:insoluble in diethyl ether practically insoluble in ethanol

log P:0.31860




Application




Used as analytical reagent, organic solvent dehydration, adsorbent, organic reaction catalyst, grinding agent, polishing agent, smelting aluminum raw materials, refractory.