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Magnesium Sulfate

Molecular Formula: MgSO47H2O. Molecular weight:246.48.

--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 . Soluble in its own water at 67.5oC.Slightly soluble in ethanol and glycerin.
--Dcomposing is heatedup.Lossing 4 crystal water at 70-80oC.About at 200oC,lossing all of its crystal water becomes anhydrous compounds.

--Mainly used in fertilizer, tanning, pringting and dyeing,activator,paper-making,plastic,porcelain,pigment matchmaking ,dynamite and fire-proof 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 index

name of index

first class

up to standard

( MgSO4.7H2O)%



iron (Fe)%

≤ 0.005

≤ 0.01

(as Cl)chloride%

≤ 0.30


insoluble in water%



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