... medicine, leather, wood preservative, textile, plating ,ferment and fertiliser. Ammonium sulfate is used in metallurgy, medicine, leather, wood preservative, textile ... , plating ,ferment and fertiliser.Ammonium Sulphate:Molecular formula: (NH4)2.SO4Molecular weight: 132.13Properties: colorless ... 3%maxFree Acid (as H2SO4): 0.05%max Cryatal Ammonium Sulphate