Aluminium oxide

Description

Aluminum oxide is a white odorless crystalline powder. Water insoluble. Properties (both physical and chemical) vary according to the method of preparation, different methods give different crystalline modifications. The variety formed at very high temperature is quite inert chemically. Formula Al2O3 Molar mass 101.96 g/mol CAS Number 1344-28-1 Density 4.000 g/cm3 Purity/Grade ≥98% Al2O3 basis Apearance Solid Melting point 2.072°C (3.762°F