magnesium sulfate

Molecular Formula: MgSO4.7H2O. Molecular weight:246.48. Characteristics: White exiguous acicular or oblique-pillar crystal. Smell-less,tast-bitter.Easily efflorescent at dry air. Speciific gravity is 1.68. Freely soluble in water . Solublein its own waterat 67.5.Slightly soluble in ethanol and glycerin. Dcomposing is heatedup.Lossing 4 crystal waterat 70-80.About at 200,lossing all of its crystal water becomes anhydrous compounds. Packing, Storage and Transportation: Knitting bags with plastic liners,25kg,40kg,50kg per bag. Stored in dry and cool place.Protection from sunshine,rain,moisture. Technological index ( MgSO4.7H2O)% : >=99.0 iron (Fe)% : <=0.0015 (as Cl)chloride% : <=0.03 insoluble in water% : <=0.001 size(mm): 0.1-1/1-3/2-4