Ammonium sulfate product Name: Ammonium sulfate Synonyms: Ammonium sulfate (2:1); ammonium sulfate, solution; diammonium sulfate; sulfate, ammonium; sulfuric acid, diammonium salt; ammonium sulphate Molecular Formula: (NH4)2?SO4 Molecular Weight: 132.1392 CAS Registry Number: 7783-20-2 EINECS: 231-984-1 Packing:25kg/drum Assay:99% Price:$2.34/kg