Calcium nitride, referred to as calcium azanidylidenecalcium in IUPAC nomenclature, is an inorganic compound with constituent elements calcium and nitrogen and represented by the chemical formula Ca3N2 <1>. It has different isomorphous forms, out of which α-calcium nitride is commonly found <2>.

Calcium Nitride Identification

CAS Number12013-82-0 <3, 4>
PubChem CID3387080 <1>
ChemSpider ID21171155 <4>
EC Number234-592-9 <3>
RTECS NumberN/A <3>
InChI KeyXCNGEWCFFFJZJT-UHFFFAOYSA-N <1>



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Calcium Nitride Formula


How is Calcium Nitride Prepared

It 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 <2>:

3Ca + N2 → Ca3N2


The calcium nitride formed can be easily identified, as it reacts with moisture or water to produce calcium hydroxide and ammonia <2>:

Ca3N2 + 6H2O → 3Ca(OH)2 + 2NH3


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Calcium Nitride Ionic Bond


Properties and Characteristics of Calcium Nitride

General Properties

Molar Mass/Molecular Weight148.248 g/mol <1>

Physical Properties

Color and AppearanceReddish-brown crystalline powder <2, 3>
Melting Point1,195 °C, 2,183 °F <5>
Boiling PointN/A <3>
Density2.63 g cm-3 <3>
State of matter at room temperature (solid/liquid/gas)Solid <3>
SolubilityN/A
Solubility in WaterDecomposes in H2O

Atomic Properties

Crystal StructureCubic <5>

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Calcium Nitride Chemical Structure


Uses

Ca3N2 can be used for obtaining reactive nitride ions <5>.

Is it Toxic

Repeated contact or overexposure to Ca3N2 has been linked to eye damage and skin burns <6>. It is a flammable solid and should be kept away from sparks, heat, open flames, and water, because of possible dangerous reactions <6>.

References:


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Zinc hydroxide


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Acanthite

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