(NH4)2SO4, 500 gram

Ammonium sulphate, Hi-ARTM Synonym : Mascagnite Molecular Formula : (NH4)2SO4 Molecular Weight_x000D_: 132.14 CAS No. : 7783-20-2 EC No. : 231-984-1 HS Code : 3105 10 00 Shelf Life_x000D_: 4 years_x000D_ Appearance : White hygroscopic crystals or powder or solid Solubility : 100 mg soluble in 1 mL of water pH (5 % in water at 25C) : 4.50 - 6.00 Arsenic (As) : lt;= 0.00002% Calcium (Ca) : lt;= 0.001% Chloride (Cl) : lt;= 0.0003% Copper (Cu) : lt;= 0.0002% Insoluble matter : lt;= 0.001% Iron (Fe) : lt;= 0.0002% Lead (Pb) : lt;= 0.0002% Loss on drying (at 100C, 1 hr.) : lt;=0.1% Magnesium (Mg) : lt;= 0.0005% Nitrate (NO3) : lt;= 0.001% Non-volatile matter : lt;= 0.01% Phosphate (PO4) : lt;= 0.0005% Assay (NaOH-back Titration) : 99.50 - 102.00%