Calcium Carbide - CaC<sub>2</sub>

What is Calcium Carbide (CaC2)?

CaC2 is a chemical compound with chemical name Calcium Carbide. It is also known as calcium acetylide, phenyl glyceryl ether diacetate, and glycerol phenyl ether diacetate. Calcium Carbide in its pure form appears as a colourless crystalline solid and is a rock-like structure at room temperature. Production of calcium carbide in industries is as follows –

  • The mixture used is coke and lime
  • Temperature range is set at approximately 2,200 °C
  • The entire process is carried out in an electric arc furnace

This compound is widely used in the manufacture of calcium cyanamide and acetylene.

Properties of Calcium Carbide – CaC2

CaC2 Calcium Carbide
Molecular Weight/ Molar Mass 64.099 g/mol
Density 2.22 g/cm3
Melting Point 2160 0C
Boiling Point 2300 oC

Calcium Carbide structure (CaC2 Structure)

Calcium Carbide structure

Structure of CaC2 Molecules

Uses of Calcium Carbide (CaC2 )

  • It is used in the production of calcium hydroxide and acetylene.
  • It is used in the production of polyvinyl chloride as acetylene the derivative of calcium carbide can be used as a raw material for the production of PVC.
  • It is used to produce calcium cyanamide.
  • It is used in the removal of sulfur from iron. The removal of sulfur from any material is called desulfurization.
  • It is used in lamps such as carbide lamps. In the early days, it was used as headlights of automobiles.
  • Used as a ripening agent like ethylene.
  • It is used in bamboo cannons as well as big-bang cannons.
  • It is used as a deoxidizer i.e it helps in the removal of oxygen during the manufacturing of steel.

Learn more about the structure, physical and chemical properties of Calcium Carbide (CaC2) from the expert faculties at BYJU’S.

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