| Properties of Zinc Oxide | |
|---|---|
| Chemical Formula | ZnO |
| CAS No. | 1314-13-2 |
| Molecular weight of ZnO | 81.406 g/mol |
| Appearance | White solid |
| Density of Zinc Oxide | 5.6 g/cm3 |
| Flashpoint of Zinc Oxide | Non-Flammable |
| Melting Point of Zinc Oxide | 1974 °C |
| Boiling Point of Zinc Oxide | 2360 °C |
| Water Solubility | Insoluble |
| Tests | Specifications |
|---|---|
| Assay | 99.9% |
| Acid Insoluble | 0.1% max. |
| Iron | 0.0005% max. |
| Lead | 0.002% max. |
| Cadmium | 10 ppm |
| Copper | 2 ppm |
| Manganese | 2 ppm |
| Arsenic | 6 ppm |
| Sulphur | 0.05% |
| Heat Loss at 110° C | 0.2% |
| Acidity as SO3% | Nil |
| Alkalinity | 0.05% |
| 325 mesh US Sieve | 0.1% |
| Specific Grauity | 5.50 min. 5.70 max. |
| Solubility | Insoluble in acid. |
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