Molecular formula: xMgCO3.yMg(OH)2.nH2O
Magnesium content: 24-26.4%
White monoclinic crystal or amorphous powder. Non-toxic, odorless, stable in air, slightly soluble in water.
Used industrially to make magnesium salts, magnesium oxide, fire retardant coatings, inks and pottery, glass, toothpaste, rubber fillers, etc.
Used in the food industry as nutritional fortifiers, flour treatment agents, leavening agents, stabilizers and anti-caking agents.
| Item | Index | Item | Index |
| Magnesium oxide（MgO）% | 40.0-44.0 | Calcium Oxide（CaO）% | ≤0.60 |
| Acid insoluble matter % | ≤0.05 | Arsenic（Basis As）mg/kg | ≤3 |
| Soluble salt% | ≤1.0 | Heavy metal（Basis Pb）mg/kg | ≤10 |
