Appearance: White powder ; Hygroscopic fine white powder ; Finely divided white particulate dispersed in air. [Note: Exposure may occur when magnesium is burned, thermally cut, or welded upon.]
Al2O3
Names: Aluminium oxide (Aluminum oxide), Aluminum oxide, Aluminium oxideAlpha-Alumina, Alumina, Aluminum trioxide, Alpha-Aluminum oxide, Abramant, Abramax, Abrarex, Abrasit, Alcoa F 1, Almite, Alon C, Aloxite, Cab-O-grip, Catapal S, Compalox, Conopal, Diadur, Dialuminum trioxide, Dispal alumina, Dispal M, Dural, Dotment 324, Dotment 358, Exolon XW 60, Faserton, Fasertonerde, Hypalox II, Jubenon R, Ketjen B, Lucalox, Martoxin, Poraminar, Aluminum oxide [a-Alumina], Aluminum trioxide [a-Alumina], [Note: α-Alumina is the main component of technical grade alumina. Corundum is natural Al2O3. Emery is an impure crystalline variety of Al2O3.]
Appearance: White solid ; White powder ; White, odorless, crystalline powder.