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℃. Stable in the air. Produce carbon dioxide if heated to 700℃. Almost insoluble in water, but may produce mild alkaline reaction in water.
Quality standard:	HG2790--1996
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.