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.

Al2O3_MSDS.pdf