1. Chemical Name: Magnesium carbonate
2. Molecular Formula: MgCO3
3. Molecular Weight: 84.31
4. CAS: 546-93-0
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.Application: It’s used as drier, color fixatives, antitackiness agent, carrier, swelling agent, acidity regulator.
7.Packing: 25kgs paper bag or customized package.
|Acid insoluble substances, w/%||≤||0.05|
|Heavy metals(Pb), w/%||≤||0.002|
|Soluble salts, w/%||≤||1.0|