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Ammonium Sulfate Chemical formula : (NH4 ) 2SO4 Molecular weight : 132. Classification Standard Ammonium Sulphate 98.0 % min Total Nitrogen 21.0% min Sulfamic Acid 0.05% max Moisture 0.5% max Character White , Yellow.....

Sulfamic acid CAS:5329-14-6

Sulfamic Acid 99.8%& 99.5% min. Items Grade A Purity(NH2SO3H) 99.8% min Sulfate (SO4) 0.02% max Iron (Fe) 0.0002% max Heavy Metal 0.0005% max Insoluble in water 0.01% max Moisture 0.03% max HENAN KINGWAY CHEMICALS.....