Ammonium Sulfate Capro grade (Standard) Molecular Formula (NH4)2SO4 CAS No. 7783-20-2 Country of Origin China Specification N 21% min S 24% min Moisture 0.5% max Free acid 0.05% max Size 0-2mm% max Color White Crystalline Packing in 25KG, 50KG(Max 27MT per container) in1250KG (Max 25MT per container) Packing:as customer request available