CAS No.:39409-82-0
Magnesium Carbonate(heavy magnesium carbonate and light magnesium carbonate)
Properties: white odorless powder
CAS Number: 39409-82-0 Molecular Formula:4MgCO3·Mg(OH)2·4(H2O) Molecular Weight： 467.67
Specifications
| Projects | Indicators | |
| GB 25587—2010 | USP44 | |
| Magnesium oxide (MgO) % | 40.0~44.0 | 40.0~43.5 |
| Acid insoluble matter ≤%. | 0.05 | 0.05 |
| (CaO) ≤% | 0.60 | 0.45 |
| Soluble salts ≤%. | 1.0 | 1.0 |
| （As） ≤ppm | 3 | 4 |
| Heavy metals（以Pb 计)≤ppm | 10 | 30 |
| Iron ≤% | —— | 0.02 |
| colibacillus | —— | Meets the requirements |
Uses: Food-grade magnesium carbonate is widely used in the synthesis of food additives, the synthesis of high-tech biological materials HA, the synthesis of
VC phosphate of feed additives, the synthesis of food konjac, calcium and calcium naphthenate, calcium lactate, calcium
citrate sugar industry additives and water treatment and other high-grade organic chemical synthesis.
Packing specification: 25kg, the inner packaging is food-grade PE bag, the outer packaging is composite paper bag,
or customized packaging according to user requirements.
Storage conditions: Store in a dry, clean, cool, ventilated place.
Shelf life: The shelf life is 2 years under the condition of meeting the specified storage and transportation conditions and keeping the
package intact.