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.
Magnesium Oxide Heavy - CAS No. 1309-48-4
Description
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 | < 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
