Aluminium sulphate is a non-combustible, non-toxic, water-soluble salt, usually appearing as a white crystalline solid. It can be produced by reacting aluminium or aluminium-containing minerals, with sulfuric acid. Some of its applications include in firefighting foams, paper manufacturing, gardening and water purification. Aluminium sulphate is approved for use in the EU as a slug and snail deterrent.
Other names: Al2O12S3, Aluminum Sulfate, Dialuminum Trisulfate, Cake Alum, Filter Alum, Papermaker's Alum