Product Name: Magnesium Sulphate Heptahydrate/Anhydrous/Monohydrate/Dihydrate/Trihydrate/Pentahydrate Model NO.: MgSO4.7H2O/5H2O/3H2O/2H2O/H2O/MgSO4 Grade Standard: Agriculture Grade Appearance: Granular Type: Magnesium Sulfate Purity: ?99% Certification: CCIC, CIQ, SGS, RoHS, ISO Certificate: SGS; CIQ; Intertek Application: Fertilizer etc Trademark: YUYIN Transport Package: 25kg, 40kg, 50kg Per PP Bag Specification: HIGH CLASS Origin: China HS Code: 28332100 Product Description Molecular Formula:MgSO4·7H2OMolecular 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.Specification:GradeMgSO47H2O MgSO45H2O MgSO43H2OMgSO42H2OMgSO4H2OMgSO4ExteriorWhite crystallineWhite powder or crystallineWhite powder or crystallineWhite powder or crystallineWhite powder or crystallineWhite powder or crystallineMain content ≥ %99.59999999998MgSO4≥ %48.595668768698MgO≥ %16.2019.0022.7025.3028.6032.60Mg≥ %9.8011.3113.6515.2317.2119.6PH value (5% aqueous solution)5.0-9.25.0-9.25.0-9.25.0-9.25.0-9.25.0-9.2(Fe ) ≤ %0.00150.00150.00150.00150.00150.0015(Cl) ≤ %0.0140.0140.0140.0140.0140.014(Pb) ≤ %0.00060.00060.00070.00070.00080.0008(As) ≤ %0.00020.00020.00020.00020.00020.0002