What is Magnesium Nitride

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What is Magnesium Nitride?

Magnesium Nitride is an organic compound with the chemical formula Mg3N2. It's part of the Cubic Crystal System. At temperatures at room temperature, pure magnesium nutridide is a bright yellow-green color however magnesium nitride, which has the impurities of magnesium oxide is grayish white.

The Molar mass of magnesium Nitride is 100.95g/mol. In terms of density, it is 2.712g/cm3. Magnesium Nitride is totally dissolved in water and acid but it is partially dissolved in alcohol and ether.

The melting point of magnesium nitride ranges from 1500 to 1500 degrees. Magnesium nitride, like many metal nitrides, reacts with water and produces ammonia. Sometimes, it is used as catalyst. React with acidic or aqueous nonmetallic oxides and form ammonium salts and magnesium salts.

Magnesium nitride is ceramic in nature. Magnesium nitride has high corrosion resistance and significantly increases the efficiency of production. Magnesium is also a great material for thermal conductivity, aswell being resistant to corrosion and resistance to temperature. Magnesium nitride has another great significance due to its use as a catalyst during the process of making 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, high thermal conductivity, wear resistance, corrosion resistance and higher temperature resistance. The first successful formula for cubic boron the catalyst was magnesium Nitride.

2. Utilized for high-strength steel alloys for smelting. Magnesium Nitride (Mg3N2) is a substitute for desulphurized magnesium in construction steel smelting, which is beneficial to increase the density strength as well as the bearing force of steel. Additionally, the use of magnesium nitride (Mg3N2) desulfurizationwill lessen the amount of additives, helping to reduce the cost of manufacturing construction steel;

3. The use of ceramic is to prepare specific materials;

4. To manufacture a special alloy foaming agent

5. Special glass is made for the purpose of manufacturing;

6. Crosslinking of catalytic polymers;

7. To reuse radioactive waste

How to Make Magnesium Nitride?

Presently, the most popular preparation methods of magnesium nitride consist of direct reaction method of magnesium powder with nitrogen, reaction method of carbon with nitrogen in nitrogen plasma flow in the form of a magnesium coil explosion in nitrogen atmosphere as well as low-pressure chemical gas complementary product method, self-propagating high temperature synthesis method, the synthesis of nano magnesium as well as other methods.

Recently, G. Soto et al. created amorphous magnesium nitride film featuring different Mg:N ratios Si substrates in a nitrogen-based molecular environment through in-situ pulse laser deposition. This method limits their industrial application due to the high price, lengthy process, complex equipment operation, or low yield of magnesium oxide.

Although the direct reaction of magnesium powder in nitrogen has economic value, the production of magnesium nitride powder needs higher reaction temperature and longer reaction time. Also, the form of the particles is a bit lopsided as well as easy to agglomerate which isn't able to meet requirements for industrial quality. The decomposition of NH3 may be accomplished into Nwhich has broken bonds more easily than N2, and the decomposed H2 is able to prevent the formation MgO. Thus, ammonia gases can be used as the nitrogen source. Chen Faqin et al. utilized liquid ammonia as a nitrogen source to prepare magnesium nitride material by direct nutriding of magnesium. The following conclusions can be drawn: From a thermodynamic study, liquid ammonia might react with magnesium powder much more quickly than nitrogen in the preparation of magnesium nitride. The best quality magnesium nitride powder with excellent purity and uniform particles can easily be prepared at 600 and ammonia in 1h, then heated to 800°C, with an ammonia flow rate of 500ml/min with nitriding time of 1h.

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