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What is Magnesium Nitride

What is Magnesium-Nitride?

Magnesium nitride, is an inorganic substance with the chemical formula Mg3N2. It's part a quantum system of cubic crystals. At low temperatures, pure magnesium nutridide is a bright yellow-green color but magnesium nitride with portions of magnesium oxide impurities appears grayish white.

The Molar mass of magnesium-nitride is 100.95g/mol. Their density stands at 2.712g/cm3. Magnesium nitride is completely dissolved in water and acid, however, it is partially dissolvable in Ether and ethanol.

The melting point of magnesium nitride is 1500 °. Magnesium, like other metal nitrides, reacts with water to make ammonia. It is often used as a catalyst. It reacts with acid or nonmetallic oxides , forming ammonium salts and magnesium salts.

Magnesium Nitride is a form of ceramic in nature. Magnesium nitride has high corrosion resistance and greatly enhances productivity. Magnesium nitride also boasts high thermal conductivity as well with high corrosion resistance and temperature resistance. Magnesium Nitride is also of significant importance due to its usage as a catalyst to aid in the synthesis of boron nitrogen.

What is Magnesium Nitride used for?

1. It is used as a catalyst to prepare the nitride of other elements with high hardness as well as high thermal conductivity, wear resistance, corrosion resistance and high temperature resistance. In the first successful process of synthesis of cubic bore nitride its catalyst was magnesium Nitride.

2. The product is designed for use as high strength steel melting additives. Magnesium Nitride (Mg3N2) is a substitute for the magnesium that is desulphurized during construction steel melting, which helps for increasing the density, strength, tension and bearing force of steel. In addition, the application of magnesium nitride (Mg3N2) desulfurizationwill decrease the amount of other components, thereby helping reduce the production costs of construction steel;

3. Useful for preparing special ceramic materials;

4. for the manufacture of a particular alloy foaming agent;

5. In the manufacture of special glass

6. To crosslink catalytically-linked polymers.

7. To reuse radioactive waste

How to Produce Magnesium Nitride?

Presently, the primary preparation methods of magnesium nitride comprise direct reaction method for magnesium powder using nitrogen, the reaction method of the nitrogen with magnesium in nitrogen plasma flow, magnesium coil explosion method in nitrogen atmosphere and low pressure chemical gas process, self-propagating high temperature synthesis technique, nano magnesium Nitride synthesis method for example.

Recently, G. Soto et al. prepared amorphous magnesium nitride films with different Mg:N ratios Si substrates in a nitrogen-based molecular environment by Laser pulse deposition. These techniques restrict their production for industrial use due to costly costs, long processing or complex equipment operation or low yield of magnesium nutride.

Although the direct reaction between magnesium powder with nitrogen holds economic value, the production of magnesium nitride powder needs higher temperature for the reaction and a long processing time. The shape of particles is incomplete and easy to aggregate, that's why they don't meet the needs of industrial grade. NH3 can be decomposed into Nwith broken bonds faster than N2 and the decomposed H2 could block the formation of MgO. Therefore, ammonia gas could be used as the nitrogen source. Chen Faqin et al. utilized liquid ammonia as a nitrogen source to make magnesium nitride in the form of powder via direct the nitriding process of magnesium powder. The following conclusions could be drawn: Through thermodynamic analyses, liquid ammonia could react with magnesium powder quicker than nitrogen and produce magnesium nitride. The best quality magnesium nitride, with excellent purity and uniform particles is prepared by heating to 600 degrees Celsius and in ammonia-based atmosphere for 1 hour. It is then heated up to 800°C, with an ammonia flow rate of 500ml/min as well as Nitriding time of 1h.

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