Names: Carbon dioxide, {{plainlist|, CO2Carbonic acid gas, Dry ice, [CO2], Carbonic anhydride, R-744, E-290, E 290, E290, Carbonic acid anhydride, Carbon-12 dioxide, Methanedione, Carbon oxide, CO₂, [Note: Normal constituent of air (about 300 ppm)].
Appearance: Colorless gas ; Odourless colourless compressed liquefied gas ; Colorless, odorless gas. [Note: Shipped as a liquefied compressed gas. Solid form is utilized as dry ice.]
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.
, Aluminum carbonate 
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