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 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.

packing:knitting bags with plastic liners,25kg,40kg,50kg per bag.
storage :stored in dry and cool place.protection from sunshine,rain,moisture.

technological index

7487-88-9;139939-75-6