Classification Aluminum oxide CAS 1344-28-1 another name Aluminum oxide chemical formula Al2O3 EINECS 215-691-6 Grade Standard Medicine Grade, Reagent Grade concentration 99% appearance White amorphous powdery substance use Functional ceramics, electronic ceramics Product name Aluminum oxide Product appearance White amorphous powdery substance chemical formula Al2O3 molecular weight 101.961 CAS number 1344-28-1 EINECS 215-691-6 melting point 2050 Application Water treatment