Calcium nitride has important uses in the chemical industry

Overview of Calcium Nitride Ca3N2 Powder

Calcium nitride,the chemical formula is Ca3N2,is a brown powder,oxidized in the air,it will decompose in contact with water, generate calcium hydroxide and release ammonia, dissolve in dilute acid, and decompose in alcohol.

Calcium nitride exists in various forms (isomorphs), α-calcium nitride being more commonly encountered.

 α-Calcium nitride adopts an anti-bixbyite structure, similar to Mn2O3, except that the positions of the ions are reversed: calcium (Ca2+) take the oxide (O2−) positions and nitrite ions (N3−) the manganese (Mn3+). In this structure, Ca2+ occupies tetrahedral sites, and the nitride centers occupy two different types of octahedral sites.

Calcium Nitride can be synthesized when calcium is heated at an elevated temperature in the presence of air, which is represented by the following direct reaction of the elements:

3Ca + N2 → Ca3N2

The calcium nitride formed can be easily identified, as it reacts with moisture or water to produce calcium hydroxide and ammonia:

Ca3N2 + 6H2O → 3Ca(OH)2 + 2NH3

Like sodium oxide, calcium nitride absorbs hydrogen above 350 °C:

Ca3N2 + 2 H2 → 2 CaNH + CaH2

Repeated contact or overexposure to Ca3N2 has been linked to eye damage and skin burns. It is a flammable solid and should be kept away from sparks, heat, open flames, and water, because of possible dangerous reactions.

Applications of Calcium Nitride Ca3N2 Powder

Calcium nitride is an important chemical reagent and has important uses in the chemical industry.

Calcium nitride can be used to obtain reactive nitride ions.

In addition, calcium hydride can be produced by heating calcium nitride with hydrogen at a temperature higher than 350°C. Calcium hydride is a reducing agent, desiccant, and chemical analysis agent.

Used in powder metallurgy.

When heated from 600°C to 1000°C, metal oxides such as zirconium, niobium, and hafnium can be reduced to obtain corresponding metal powders.

Calcium nitride is an essential hydrogen storage material. Hydrogen energy is completely pollution-free renewable energy, and it is also an ideal green renewable resource.

Calcium nitride is the main raw material for high-end phosphors. This kind of phosphor is more stable, has better performance, and the effect of high temperature and high humidity is better.

Calcium nitride can also be used as a chemical treatment agent, which is the key to determining the performance of water-based mud.

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