... many countries 3.Sample is available 4.Lowest price Magnesium Sulphate Heptahydrate MgSO4.7H2OMOLECULAR FORMULAR: MgSO4.7H2OCAS10034-99-8SPECIFICATION:HG/T ... bag lined with P.E bag.Property: Colorless or white granular; easily becoming efflorescent in the dry air. 1. Uses: in ... .001Cl ,%,≤0.10As ,%,≥0.5Pb ,%,≤1Water insoluble,%,≤0.05 Magnesium Sulphate Heptahydrate MgSO4.7H2O