... formula:Al2(SO4)3 2.Purity:Al2O3 15.8% 16% 17% 3Size : Flake ,Granules,Lump,Powder. 4.Good quality ,best price Aluminum Sulfate 1 ... .Characters:content: 15.8%,16%,17%cas no:10043-01-3white falkes,or powderMolecular Formula:AL2(SO4)3Properties ... aluminium sulphate octadecahydrate.In normal condition, it is AL2(SO4)3.18H2O; AL2(SO4)3.14H2O after efflorescence, can be white powder, ...