White loose powder or light brittle substance. It is almost insoluble in water, but causes light alkaline reaction in water. It is insoluble in ethanol and can be dissolved and foamed by dilute acid. It will not decompose Normally.
CAS NO. 39409-82-0
EINECS NO. 235-192-7
| Testing Items | Testing Standard |
| MgO | 41-45% |
| CaO | ≤2% |
| Moisture | ≤1% |
| Fe2O3 | ≤0.02% |
| Chloride | ≤0.002% |
| Nitrate | ≤0.001% |
| Phosphate | ≤0.001% |
| Sulfur compounds | ≤0.005% |
| Loss On Ignition | 55-57% |
