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MAGNESIUM SULFATE
CAS NO: 10034-99-8
Molecular Formula: MgSO4.7H2O
Molecular weight:246.48.
Characteristics: White exiguous acicular or oblique-pillar crystal. Smell-less, taste-bitter. Easily efflorescent at dry air. Specific gravity is 1.68.Freely soluble in water. Soluble in its own water at 67.5℃.Slightly soluble in ethanol and glycerin. Decomposing is heated up . Lossing 4 crystal water at 70-80℃.About at 200℃, lossing all of its crystal water becomes anhydrous compounds.
Specification:
Item
|
Standard |
Purity(As MgSO4) |
98.00%min |
Chloride |
0.3%max |
Iron |
0.005%max |
Loss on drying |
2%max |
Insoluble matter in water |
0.1%max |
PH |
6-7 |
Package: Knitting bags with plastic liners,25kg, 40kg,50kg per bag
Application:
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.
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