Magnesium Sulphate Anhydrous Fertilizer CAS No.: 7487-88-9 Chemical Name: Magnesium sulfate anhydrous Appearance: White solid Packing:25kg/50kg/Jumbo bag Storage: Store in a cool, dry place. Store in a tightly closed container. Store protected from moisture. Application: Desiccant, feed additives, fertilizer and raw material of magnesium oxide production.