Introduction Chemical Name: Magnesium Sulfate Heptahydrate CAS No: 10034-99-8 Formula: MgSO4 7H2O Formula Weight: 246.47 Application 99.5% Magnesium Sulfate Crystal can be used as conductive salt in electroplating industry.Adding magnesium salt to the nickel plating solution can make the nickel plating solution have better electrical conductivity and make the coating white and soft.Magnesium salts can also be used as refining auxiliaries to color the surface of aluminum. Magnesium Sulfate Heptahydrate as a magnesium fertilizer enhances sulfur and magnesium elements.Also,it can be used in stock feed additive leather, dyeing,paper making,pigment,the medical oral laxatives,refractoriness,ceramic,match dynamite and Mg salt industry.