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Laizhou Zhongda Chemicals Co.,Ltd.
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Magnesium sulfate

Details for Magnesium sulfate

Magnesium sulfate


Catalyst and Auxiliary

Magnesium sulfate
CAS NO: 7487-88-9;139939-75-6
EC NO: 231-298-2
Molecular Formula: MgSO4
Molecular Weight: 120.3687
InChI: InChI=1/Mg.H2O4S.2H/c;1-5(2,3)4;;/h;(H2,1,2,3,4);;/p-2/rH2Mg.H2O4S/c;1-5(2,3)4/h1H2;(H2,1,2,3,4)/p-2
Product description:

Molecular Formula: MgSO4·7H2O. 
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 . Solublein its own water at 67.5℃.Slightly soluble in ethanol and glycerin. 
--Dcomposing is heatedup.Lossing 4 crystal waterat 70-80℃.About at 200℃,lossing all of its crystal water becomes anhydrous compounds. 
--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:

name of index
first class
up to standard
( MgSO4·7H2O)%
iron (Fe)%
≤ 0.005
≤ 0.01
(as Cl)chloride%
≤ 0.15
insoluble in water%
Synonyms: Sulfuric acid, magnesium salt (1:1);CCRIS 8411;Tomix OT;NSC 146179;Sal Angalis;Magnesium sulfate-dried;Magnesium sulphate;Magnesium sulfate;Magnesium Sulphate Hepta;Magnesium Sulfate Anhydrate;
Molecular Structure: Magnesium sulfate 7487-88-9;139939-75-6
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