Magnesium oxide (burnt magnesia) is a chemical compound with the formula MgO. These are white crystals, slightly soluble in water, fire and explosion-proof.
Basic properties:
-a soft, light, loose, fine crystalline powdery substance of white or light gray color, odorless, with a slightly earthy taste;
-it absorbs water very well, but it almost does not dissolve in water itself;
-does not dissolve in alcohols;
-absorbs fats and liquid substances.
Application:
In industry: for the production of refractories, cements, purification of petroleum products, as a filler in the production of rubber, filler in heating elements.