Odour Free Magnesium Carbonate is extensively used in food as an alkali, dying agent, colour retention agent, ant caking agent and carrier. Magnesium Carbonate is also used as magnesium salt for heat insulation and refractory and as rubber reinforcing, inks, glass, pharmaceuticals, dentifrices and cosmetics. Magnesium Carbonate contains 40.0% to 45.0% MgO. Odour Free Magnesium Carbonate is free from any kind of pungent odour and offered in colourless amorphous powder form.