we are the manufactory specialized in the manufacture and sales of sulfamic acid, magnesium sulphate, magnesium sulphate fertilizer etc. Keeping to the business philosophy of "Being Quality First, People Foremost, Customer Centered", we will provides you not only our high-quality, low-price products but also the excellent service

Molecular Formula: MgSO4•7H2O. Molecular weight:246.48.
Technological index
( MgSO4¡¤7H2O)%：≥98.0
iron (Fe)%：≤ 0.005
(as Cl)chloride%：≤ 0.30
insoluble in water%： ≤0.10

( MgSO4¡¤7H2O)%：≥96.0
iron (Fe)%：≤ 0.01
(as Cl)chloride%：≤ 0.50
insoluble in water%： ≤0.15
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 water at 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.