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Magnesium carbonate

Details for Magnesium carbonate

Magnesium carbonate

Category:

Food and Feed additives/Food additives

Magnesium carbonate
CAS NO: 39409-82-0
EC NO: 235-192-7
Molecular Formula: Mg5·(CO3)4·(OH)2·5(H2O)
Molecular Weight: 142.6336
Specification: FCC
InChI: InChI=1/CH2O3.2Mg.2H2O/c2-1(3)4;;;;/h(H2,2,3,4);;;2*1H2/q;2*+2;;/p-4
Packing: 25KG
Product description:
1、Chemical Name: MAGNESIUM CARBONATE 2、Molecular Formula: xMgCO3•yMg(OH) 2•nH2O 3、Molecular Weight: --- 4、CAS: 39409-82-0 5、Character: In normal temperature, it’s with three hydrates. Light one is white, easily fragile or loose white powder. Odorless. Relative density is 2.2. Melting point is 350℃. It’s stable in the air. When heated to 700℃, it will become magnesium oxide. It’s hardly soluble in water, but it’ll bring a slight alkaline reaction. It can not be soluble in ethanol but it could be soluble in olefine acid with sparkling. 6、Usage: It’s used as drier, color ficatives, anticaking agent, carrier, swelling agent, acidity regulator. 7、Packing: It is packed with polythene bag as the inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg. 8、Storage and Transport: It should be stored in a dark, dry and ventilative warehouse, kept away from water and moisture; unloaded with care to avoid damage. Furthermore, it must be stored separately from poisonous substances. Specification GB 25587-2010 FCC,1996 Content (MgO) 40.0-44.0 40.0-43.5 Insolubles in Acid 0.05 0.05 Heavy Metals(As Pb) 0.001 0.002 CaO 0.6 0.6 Soluble Salts 1.0 1.0 Pb --- 0.001 Arsenic 0.0003 ---
Uses: Food Additive
Synonyms: carbonic acid, magnesium salt, hydrate (1:2:2);Magnesium carbonate hydroxide (2:1:2);Magnesium carbonate basic;
Molecular Structure: Magnesium carbonate 39409-82-0
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