1,Ammonium Sulfate:N 21%MIN 2,Appearance:white or light grey powder 3,MF: (NH4)2SO4 4,CAS No.: 7783-20-2 Ammonium Sulfate Application ... for soil with lack of sulfer,but for acid soil,ammonium sulfate needs to be applied with lime 2.Raw material of ... alcohol, acetone, ammonia; easy to become caking after moisture absorption Ammonium Sulfate In Agriculture