Pharmaceutical Magnesium Oxide Grade HA and HA5
Product Description
| Product | Pharmaceutical Magnesium Oxide Grade HA and HA5 |
| CAS | 1309-48-4 |
| Formula | MgO |
| Synonym | Magnesium Oxide, Magnesium oxide (MgO), Magnesium oxide (CI 77711) |
Typical Product Specifications
| Density | 3.65-3.75 |
| Very Soluble | in water |
| Bulk Density (untapped) | HA - 0.40 - 0.60 gr/cc |
| Iron as Fe | 0.05% max |
| Lead as Pb | 0.5 ppm max |
| Sulphate as SO4 | 0.75% max |
| Particle Size: Passes 325 mesh (wet Sieve) | HA - 75.0% min |
| Melting Point | 2800 c |
| Identification | positive test for Magnesium |
| Calcium as Ca | 1.10% max |
| Heavy Metals, as Pb | 20 ppm max |
| Arsenic, as As | 3 ppm max |
| Chloride as Cl | 0.1% max |
| Bulk Density (untapped) | HA5 - 0.30 - 0.65 gr/cc |
| Particle Size: Passes 325 mesh (wet Sieve) | HA5 - 99.0% min |
| Magnesium Oxide as MgO (ignited basis) | 96.0 - 100.5% |
| Loss on Ignition | 10.0% max |
| Free Alkali | 2 ml max |
| Soluble Salts | 2% max |
| Acid insoluble substances | 0.1% max |
| Insolubility | in alcohol |
| Odor | wh. powd. or cryst., odorless |
| Molecular weight | 40.31 |
| Solubility | dil. acids, ammonium salt solns. |
| Boiling Point | 3600 c |
| Notes | For use in the manufacture of antacid preparations and mineral supplements, and in the production of pharmaceutical grade magnesium derivatives and for use as a food additive as an anti-caking, free flowing agent, color retention agent desiccant or PH modifier. HA and HA5 meet the requirements of U.S. Pharmacopoeia (32nd Edition) NF 27. Use: ABSORBENT, BUFFERING, OPACIFYING |
| Class | Inorganic Chemicals: Nitrates, Phosphates, Oxides & more, Magnesium Compounds |
| Function | Intermediates, Antacid, Catalyst |
| Industry | Pharmaceutical |
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