Aluminum Sulphate 17% Non Ferric. Aluminium Sulphate Non Ferric is also known Alum Non Ferric. It is used as a primary coagulant for water treatment. It is also used as paper making aid. It is also available in liquid form. Specification Alum ( Non Ferric ) Color : White Formula : Al2(SO4)3 Cas No : 10043-01-3