Magnesium Sulfate, Shelf Life : 1 Year, 2 Year

Cas number anhydrous 7487-88-9, monohydrate 14168-73-1, dried 15244-36-7, heptahydrate 10034-99-8,
specifications magnesium sulfate heptahydrate
appearance ------------------- fine, white, sparkling crystal, free flowing
molecular formula ------------ mgso4.7h2o magnesium sulphate or magnesium sulfate
molecular wt ----------------- 246.47 gmol
bulk density ----------------- 0.92-0.95 kglit
solubility ------------------- readily soluble in water
purity as (mgso4.7h2o )------- 99% minimum
magnesium oxide as (mgo) ----- 16.20% minimum
magnesium as (mg) ------------ 9.70% minimum
sulphur as (so4) ------------- 38.60% minimum
sulphur as (s) --------------- 12.70% minimum
magnesium sulphate as (mgso4)- 48.50% minimum magnesium sulphate or magnesium sulfate
ph of 5% aqueous solution----- 7 + - 0.5
chlorides as (cl) % by mass -- 0.012 % maximum
heavy metals as (pb) --------- not detectable
arsenic as (as2o3) ----------- less then 1.00 ppm maximum
iron as (fe) ----------------- 10 ppm maximum
manganese as (mn) ------------ 15 ppm maximum
magnesium sulfate anhydrous, dried and monohydrate is offered in similar specifications..