Magnesium Carbonate
- Molecular Formula: MgCO3
- CAS NO.: 546-93-0
- EINECS No.: 208-915-9
- Package:25kg/50kg/500kg carton/bag/drum
Magnesium Carbonate technical data:
| Item | Premium quality | Grade A | Qualified |
| Magnesium oxide (MgO)% ≥ | 45 | 41 | 38 |
| Calcium oxide (CaO)/% ≤ | 0.43 | 0.7 | 1 |
| Hydrochloric acid insoluble matter% ≤ | 2 | 3 | 4 |
| Sulfate (calculated as SO4)% ≤ | 0.1 | 0.15 | 0.3 |
| Burning loss% | 54-58 | 54-58 | >52.0 |
| Iron (Fe)% ≤ | 0.02 | 0.05 | 0.08 |
| Chloride (calculated as cl)% ≤ | 0.1 | 0.15 | 0.3 |
| Manganese (Mn)% ≤ | 0.004 | 0.004 | —- |
| Sieve residue (150um/75um)% ≤ | 0.025/1.0 | 0.03/ | 0.05/ |
| Apparent density/(g/ml) ≤ | 0.12 | 0.14 | —– |
| Moisture content% ≤ | 2 | 3 | 4 |
| appearance | White granular powder | ||
Application:
1. Used for manufacturing magnesium salts, magnesium oxide, fireproof coatings, inks, glass, toothpaste, rubber fillers, etc., used in food as flour improver, bread leavening agent, etc.
2. Neutralizing stomach acid medication, used for gastric and duodenal ulcers.
3. Alkaline agents, desiccants, color protectants, anti caking agents, carriers, leavening agents, and acidity regulators.