Magnesium oxide, an inorganic substance, has a chemical formula that is MgO. This is an oxide magnesium, and an ionic compounds. It is a white, solid at room temperature. Magnesium oxide is found in nature as periclase, which is a raw material used in magnesium smelting.
Magnesium dioxide is also known as bitter soil. Magnesium oxide can be described as an alkaline or gelling oxide. It has the same properties and properties as other alkaline compounds. White powder (light yellow magnesium nitride), which is odorless, tasteless and non-toxic, is a typical example of an alkaline metal oxide with chemical formula MgO. White powder’s melting point is 2852; boiling point 3600 and relative density 3.58 (25). Insoluble in alcohol, but soluble in acid and ammonium sodium solution. The solubility of water is 0.00062g/100mL (0 degC).
Types: There are two types of magnesium oxide: light and heavy. A white, amorphous powder that is light-weighted and bulky. It is non-toxic, tasteless, and odorless. The density is 3.58g/cm3. It is difficult to dissolve in pure water and organic solvents. However, its solubility increases in water due to the presence carbon dioxide. It can also be dissolved in an acid or ammonium salt solution. It can be converted to crystals by high-temperature burning. When carbon dioxide is in the air, magnesium carbate double salt is formed. This is a dense, white or beige-colored powder. It is easy for it to be mixed with water and to absorb carbon dioxide and moisture from the air. It can be easily gelled and hardened when it is mixed with magnesium-chloride solution.
Magnesium oxide application:
High-purity magnesium oxide
Areas of application: High purity magnesium dioxide has exceptional alkali resistance, and electrical insulation at very high temperatures. Excellent light transmittance is achieved due to high thermal conductivity and thermal expansion coefficient. High temperature and heat-resistant materials are widely used. It is used in the ceramic industry as a raw ingredient for light-transmitting crucibles and substrates. The thermal conductivity of this ceramic substrate is over 2x higher than Magnesiumoxide’s and the electrolyte loss is less than 1%. It can also serve as a raw material to high-purity fused manganesia and can be chemically used as “analytical pure magnesium oxide”.
Application field: Nano-scale magnesium dioxide has obvious surface effects, small size effects, quantum size effects, and macro tunnel effects. Modification does not cause agglomeration. It serves many important functions, such as optics, catalysis and magnetism, mechanical engineering, chemical engineering, and others. The potential application is vast, making it an important new material in 21st-century science. It is widely used in electronics and catalysis as well as oil products, coatings, and other areas. Different products use them in different ways. They are used in flame retardants in the chemical and plastic industries, as well as in the production and filling of advanced ceramic materials and silicon steel sheets.
With the growing demand for flame retardant fibers in textiles, synthetic flame-retardants have become a popular material for the creation of functional fabrics. Nano-magnesiumoxide is often mixed with wood chips and shavings in order to create refractory materials, such as light weights, sound insulation, heat insulation, and cermets. Nano-magnesium oxide has a lower toxicity and odor than traditional organic flame retardants that are phosphorus or halogen-containing. It can be used as an additive to flame retardant fiber development. It is also very versatile in cleaning and inhibiting corrosion.
Magnesium dioxide is widely used for semiconductor electronic packaging because of its outstanding electrical, thermal and physical properties.
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