... No.:7783-20-2 homogeneous stable solid Ammonium sulfate, (4)24, is an inorganic with a number ... fertilizer. It contains 21% nitrogen as , and 24% sulfur as . In fertilizer the purpose of the sulfate is to reduce ... bisulfate, lowering the balance of the (as do other sulfate compounds such as ), while contributing essential for plant ... ,4-D (amine), glyphosate, and glufosinate herbicides. Ammonium Sulfate