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Magnesium Carbonate

Appearance: white odorless powder
Legal number: CAS 23389-33-5 (hydrate)
Molecular formula: xMgCO3·yMg(OH)2·nH2O
Legal number: CAS 546-93-0 (Anhydrous)
Molecular weight: 84.31
 
Project Indicator(GB 25587—2010)
Magnesium oxide(MgO),w/%       40.0~44.0
Acid insoluble matter,w/%      ≤ 0.05
Calcium Oxide(CaO),w/%    ≤ 0.6
Soluble salt,w/%      ≤ 1
Arsenic(As)/(mg/kg)    3
Heavy metal (in Pb)/(mg/kg) ≤ 10

Uses: Food grade magnesium carbonate is widely used in the synthesis of food additives, synthesis of high-tech biological materials HA, synthesis of VC phosphates for feed additives, food konjac, calcium synthesis and calcium naphthenate, calcium lactate, calcium citrate Additives for sugar industry and water treatment and synthesis of other high-grade organic chemicals.
Packing, storage and transportation: packaging and storage 25kg / composite paper bag. Or according to user requirements. Store in a dry, clean, cool, well ventilated place. When transporting magnesium carbonate, it should be lightly loaded and unloaded, and should not be mixed with harmful, toxic and easily polluting items to prevent rain and exposure.
Shelf life: The storage and transportation conditions and packaging are in compliance with the regulations, and the shelf life is 2 years.