Magnesium Sulphate Heptahydrate 98%min White Cryst

Magnesium Sulphate Heptahydrate Characteristics: Appearance:Colorless crystal or white powder. Molecular Formula: MgSO4.7H2O Molecular weight: 246.47 CAS No.: 7487-88-9 Speciific gravity: 1.68 --Freely soluble in water . Solublein its own waterat 67.5oC.Slightly soluble in ethanol and glycerin. --Dcomposing is heatedup.Lossing 4 crystal waterat 70-80oC.About at 200oC,lossing all of its crystal water becomes anhydrous compounds. Use:--Mainly used in fertilizer, tanning, pringting and dyeing,activator,papermaking,plastic,porcelain,pigment matchmaking ,dynamite and fireproof materials making . --Can used in pringting 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,25kg,40kg,50kg per bag. Stored in dry and cool place.Protection from sunshine,rain,moisture. Technological IndexName of Index Grade AGrade B(MgSO4.7H2O)% ≥99.5 ≥98.0 (MgSO4)%≥48.59 ≥47PH(5W/V%Sol)5-85-8(As)%≤0.0001≤0.0001(Fe)% ≤0.002≤ 0.04 (Pb )%≤0.001≤0.001(Cl)% ≤ 0.02 ≤0.15Insoluble In Water% ≤0.01 ≤0.1