Molecular Structure:

Product description:

Molecular Formula: MgSO 4. 7H 2 O.
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 waterat 67.5^oC.Slightly soluble in ethanol and glycerin.
--Dcomposing is heatedup.Lossing 4 crystal waterat 70-80^oC.About at 200^oC,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 index

name of index	first class	up to standard
( MgSO4.7H2O)%	≥ 98.0	≥ 95.0
iron (Fe)%	≤ 0.005	≤ 0.01
(as Cl)chloride%	≤ 0.30	≤ 0.50
insoluble in water%	≤ 0.10	≤ 0.15