What is Magnesium Nitride?

Magnesium nitride is an inorganic chemical compound with the chemical formula Mg3N2. It is part of the cluster of cubic crystals. At ambient temperature, magnesium nutridide is a bright yellow-green color and magnesium nitride which contains part of magnesium oxide impurities is greyish white.

The Molar mass of magnesium oxide is 100.95g/mol. This mineral's density is 2.712g/cm3. Magnesium nitride dissolves completely in water and acid, but it is partially dissolved in the ether and ethanol.

The melting point for magnesium nitride is 1500 °. Magnesium nitride, like many metal nitrides, reacts water to form ammonia. Often used as a catalyst. React with acid or nonmetallic oxides to form ammonium salts as well as magnesium salts.

Magnesium Nitride is a kind of ceramic nature. Magnesium nitride has high corrosion resistance and dramatically improves production efficiency. Magnesium Nitride also has high thermal conductivity, aswell having a high resistance to corrosion and resistance to temperature. Magnesium Nitride has an additional significance as it's used as a catalyst used in the process of making boron nitrogen.

What is Magnesium Nitride used for?

1. As a catalyst, it is used to create the nitride elements that have high hardness as well as high thermal conductivity. wear resistance, corrosion resistance and higher temperature resistance. The first successful process of synthesis of cubic bore nitride, its catalyst was magnesium nitride.

2. Used for high strength steel additions to smelting. Magnesium nitride (Mg3N2) replaces magnesium desulphurized in construction steel melting, which helps to increase the density, strength that, tension and bearing capacity of steel. In addition, the use of magnesium Nitride (Mg3N2) desulfurization, may reduce the amount of other components, thereby helping lower the cost of production for construction steel.

3. This is used to make special ceramic materials;

4. For the manufacturing of a specific alloy foaming agent

5. To make special glass

6. For crosslinking catalytically produced polymers

7. To reuse nuclear waste

How to Make Magnesium Nitride?

The current methods for making magnesium nitride comprises direct reaction method for magnesium powder using nitrogen, the method for resolving the nitrogen with magnesium in nitrogen plasma flow and the magnesium coil explosion method in nitrogen atmosphere, low pressure chemical gas supplementing method for product, self-propagating high temperature synthesis method, nano magnesium Nitride synthesis method, and so on.

Recently, G. Soto et al. prepared amorphous magnesium nitride films with different ratios of Mg:N on Si substrates in a molecular nitrous environment by in-situ pulse laser deposition. These techniques limit their production in the industrial sector due to high cost, long process or complex equipment operation or a lower yield of magnesium Nitride.

The direct reaction of magnesium powder using nitrogen has industrial value, the production of magnesium powder requires greater temperature of reaction as well as a longer reaction time. Furthermore, the form of the particles isn't perfect and easy to form agglomerates, that's why they don't meet the standards of industrial quality. N3 can be broken into Nthat has broken bonds much more quickly than N2 and H2 decomposed may interfere with the formation process of MgO. This is why ammonia could be used as the nitrogen source. Chen Faqin et al. used liquid ammonia as nitrogen source to prepare magnesium nitride powder by direct Nitriding of magnesium powder. The following conclusions could be drawn from thermodynamic analysis, liquid ammonia can react with magnesium powder much more quickly than nitrogen and produce magnesium nitride. Good quality magnesium nitride powder that has excellent purity and uniform particles can be made by heating them to 600 degrees Celsius and in ammonia-based atmosphere for 1 h, then heated up to 800, ammonia flow rate 500ml/min and one hour of nitriding.

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