Description

Magnesium Sulfate Molecular Formula:MgSO4 •7H2O Molecular weight:**6.*8 Characteristics: White exiguous acicular or oblique-pillar crystal. Smell-less,taste-bitter. Easily efflorescent at dry air. Specific gravity is 1.*8. Freely soluble in water. Soluble in its own water at *7.5℃. Slightly soluble in ethanol and glycerin. Decomposing is heatedup. Lossing 4 crystal water at ****0℃. About ant **0℃,losing all of its crystal water becomes anhydrous compounds. Use: Mainly used in fertilizer, tanning, printing and dyeing,activator,paper-making,plastic,porcelain,pigment matchmaking,dynamite and fire-proofmaterials making. Can used in printing and dyeing delaine as the aggravating reagent of calico or silk, and as filling up of wooden-cotton products. Be used as Epsom salts at medicine. Packing,Storage and Transportation:Knitting bags with plastic liners, *5kg,*0kg,*0kg per bag. Stored in dry and cool place. Protection from sunshine, rain, moisture. Technological indes :  Name of index      First class    Up to standard                 MgSO4 •7H2O %           ≥*8.0          ≥*5.0                    Iron %                 ≤0.**5          ≤0.*1
(As Cl chloride) %      ≤0.*0          ≤ 0.*0
(Insoluble in water)%    ≤0.*0          ≤0.*5