Active Pharmaceutical Magnesium Oxide PHRA50
Product Description
| Product | Active Pharmaceutical Magnesium Oxide PHRA50 |
| 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 |
| Particle Size: Passes 325 mesh (wet Sieve) | 99.0% min |
| Melting Point | 2800 c |
| Iron as Fe | 0.05% max |
| Sulphate as SO4 | 0.50% max |
| Free Alkali | 2 ml |
| Soluble Salts | 2% max |
| Magnesium Oxide as MgO (ignited basis) | 96.0 - 100.5% |
| Identification | positive test for magnesium |
| Loss on Ignition | 10.0% max |
| Acid insoluble substances | 0.1% max |
| Calcium as Ca | 1.10% max |
| Heavy Metals, as Pb | 20 ppm max |
| Lead as Pb | 4 ppm max |
| Arsenic, as As | 3 ppm max |
| Chloride as Cl | 0.1% max |
| Bulk Density, tapped | 0.35 - 0.55 gr/cc |
| Surface area (BET) | 40 - 70 m2/gr |
| Insolubility | in alcohol |
| Odor | wh. powd. or cryst., odorless |
| Molecular weight | 40.31 |
| Solubility | dil. acids, ammonium salt solns. |
| Boiling Point | 3600 c |
| Notes | An active magnesia for use in the manufacture of rubber and plastic items for medical purposes as well as for mineral supplements, as food additive for color retention and pH modification and the production of pharmaceutical grade magnesium derivatives. PHRA50 meets the requirements of US Pharmacopoeia (32nd Edition) NF 27/. Use: ABSORBENT, BUFFERING, OPACIFYING |
| Class | Inorganic Chemicals: Nitrates, Phosphates, Oxides & more, Specialty Chemicals |
| Industry | Industrial, Pharmaceutical, Plastics, Rubber |
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