Other names: {{ubl, Ferric chloride, Ferric chloride (anhydrous)Iron(3+);trichloride, Ferric;trichloride, [FeCl3], FeCl3, Iron chloride, Flores martis, Molysite
Appearance: Green-black by reflected light; purple-red by transmitted light; yellow solid as hexahydrate; brown as {{abbr|aq.|aqueous}} solution ; Black-to-brown hygroscopic crystals
Na2O – Sodium oxide
Other names: Disodium oxide, Sodium monoxide, Disodium monoxide
Other names: Ferric oxide, Hematite, Ferric ironRed iron oxide, Rouge, Maghemite, Colcothar, Iron sesquioxide, Rust, Ochre, Iron oxide dust and fume (as Fe), Iron oxide red, Red oxide, Anhydrous ferric oxide, Iron (III) oxide, Diiron trioxide, Iron trioxide, Ferric sesquioxide, Iron(III) oxide [Iron oxide dust and fume (as Fe)], Iron(III)oxide [Rouge]
Appearance: Red-brown solid ; Reddish brown-to-black crystals or powder ; Reddish-brown solid. [Note: Exposure to fume may occur during the arc-welding of iron.] ; A fine, red powder of ferric oxide. [Note: Usually used in cake form or impregnated in paper or cloth.]