Magnesium oxide CAS NO.1309-48-4

Description Selected from the purest magnesite available at Causmag?, Pexu 99 is an accurately sized calcined magnesite with exceptionally low impu…

Description Selected from the purest magnesite available at Causmag?, Pexu 99 is an accurately sized calcined magnesite with exceptionally low impurity levels and excellent flow properties.The product's appearance is a fine white odourless powder and is also available in granular form. Uses Causmag? Pexu 99 is primarily used as a supply of USP and BP approved Magnesium Oxide (Heavy Grade) (1999). Antacid, laxative and formulations for mineral tablets. Composition Specification Unit Test Method Assay 98.3-99.5 %wt as MgO USP/BP Calcium (Ca) < 0.80 % USP/BP Iron (Fe) < 0.05 % USP/BP Chloride < 0.02 % USP/BP Sulphate < 20 ppm USP/BP Arsenic < 1.0 ppm USP/BP Lead < 0.25 ppm icpms Other Heavy Metals < 2.0 ppm icpms Acid Insols < 2.0 mg USP L.O.I. < 5.0 % USP/BP Physical Properties Bulk Density, loose, kg/m3 (lb/ft3) 500 (31)-2 1 Mean particle size, ganules 1.5 mm 1 Mean particle size, Powder 5 micron Surface area, m2/gram 20-70 m2/g Packaging 1000 kg bulk bags