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Calcium Disilicide Powder, CaSi2, CAS 12013-56-8


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Calcium Disilicide (CaSi2) Powder is a white powder, which belongs to the category of iron alloys. It has the main components of silicon and calcium and contains different amounts of iron, aluminum, carbon, sulfur, phosphorus, and other impurities.

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Data sheet

Molecular FormulaCaSi2

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Calcium Disilicide (CaSi2) Powder can form ternary or multiple compound alloys by adding other elements to the basis of silicon-calcium alloy. The compound alloys' applications will vary depending on the impurities added. Heeger Materials can provide high-quality Calcium Disilicide (CaSi2) Powder at a competitive price.

Calcium Disilicide (CaSi2) Powder

  • Formula: CaSi2
  • Density: 2.5g/cm3
  • Melting point: 1033℃
  • Molecular weight: 96.251g/mol
  • CAS: 12013-56-8

Calcium Disilicide Powder Chemical Analysis


Chemical Composition














Calcium Disilicide Powder Properties

Calcium Disilicide Powder-SEM

  • It is insoluble in water but decomposes when met with water to produce hydrogen gas and calcium hydroxide.
  • It can decompose in hot water.
  • It is soluble in acids and bases.
  • It is flammable and can self-ignite in the air.

Calcium Disilicide Powder Applications

  • Used as phosphorus removal
  • Used as deoxidizer of special metal alloy
  • Used in the manufacture of certain detonating agents, pyrotechnics, and smoke components
  • Used as a desulfurizing agent and deoxidizing agent in the steel and foundry industry
  • Used as an inoculant and denaturant in the cast iron industry
  • Used as an additive in the production of spheroidal graphite cast iron

Calcium Disilicide Powder Storage and Packing

Calcium Disilicide (CaSi2) Powder should keep sealed and stored in a dry and cool place, avoiding heavy pressure, contact with oxidizing agents, and being exposed to air. The vacuum packing is 1kg/bag, 25kg/drum, or as required.

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