Chemical Name: Magnesium Carbonate Molecular Formula: CMgO3 Formula Weight: 84.31 CAS No.: 13717-00-5

Molecular formula: MgCO3 Molecular weight: 84 Properties: Light carbonic acid is odorless white fragile blocks or loose white powder. Relative density: 2.2. Melting point: 350°C. Stable in the air. Produce carbon dioxide if heated to 700°C. Almost insoluble in water, but may produce mild alkaline reaction in water. Usage: Alkaline agent; drying agent, color-protecting agent, carrier; anti-caking agent, free flow agent flour treatment agent; nutrition additive; PH regulator, procssing auxiliary, mold release agent. Package: in 20kg bags

Item	Excellent grade	First grade
Water, %≥	2.000	3.3.000
MgO, %≥	41.000	40.000
Cao, %≤	0.430	0.700
HCl insoluble,%≤	0.100	0.150
Fe,%≤	0.020	0.050
So4,%≤	0.100	0.150
Loss on drying%≤	54-58	54-58
Cl,%≤	0.100	0.150
Mn,%≤	0.004	0.004
Sieve residue (sieve 150mm)≤	0.025	0.030
Bulk density, g/ml≤	0.120	0.140

magnesium carbonate