Basic magnesium carbonate / light magnesium carbonate /magnesium carbon hydroxide
Item No.： C0128
Store at： RT
English Name: magnesium carbon hydroxide; Pentamagnesium tetracarbonate dihydroxide pentahydrate
Other names: light magnesium carbonate; magnesium carbonate
CAS No.: 56378-72-4
Mg5(CO3)4(OH)2?5H2O=485.65
Grade: ar
Content (calculated by MgO): 40.0 ~ 44.5%
Barium: ≤ 0.005%
Calcium: ≤ 0.10%
Basic carbonate: acceptable
Phosphate: ≤ 0.001%
Sulfur compounds: ≤ 0.02%
Chloride: ≤ 0.01%
Water soluble matter: ≤ 0.40%
Acid insoluble matter: ≤ 0.025%
Iron: ≤ 0.005%
Nitrate: ≤ 0.005%
Zinc: ≤ 0.01%
Heavy metals: ≤ 0.002%
Physicochemical properties: white loose light powder, usually gathered into fragile small groups. It is insoluble in water, insoluble in ethanol, and soluble in ammonium salt solution. Heating to 700 ℃ can turn into magnesium oxide, water and carbon dioxide. Dissolve in dilute acid and release carbon dioxide
Purpose: biochemical research. It is used for rubber filler, magnesium salt manufacturing, pharmaceutical industry, making high-grade glass, as fireproof and insulating materials, and also for shipbuilding, boiler manufacturing, daily chemical industry, etc
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