1.ammonium sulphate fertilizer 2.(NH4)2SO4 3.100% water soluble, no impurity ... ) %≤0.20Features: 1) Ammonium sulfate (IUPAC-recommended spelling; also ammonium sulphate in British English), (NH4)2SO4, is an inorganic salt with ... )0.005%maxWater insolubles0.01%maxNote: When ammonium sulphate is used in agriculture,it is not necessary ... not dissolve in alcohol, acetone, ammonia; Ammonium Sulphate (NH4)2SO4