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HomeMaterialsSilicide PowderHigh Purity Calcium Silicide CaSi2 Powder CAS 12013-56-8, 99%

High Purity Calcium Silicide CaSi2 Powder CAS 12013-56-8, 99%

Calcium silicide (also known as calcium diilicide) is a chemical formula that is CaSi2. CaSi2 calcium silicide powder is used to make steelmaking deoxidation.
Purity: 99%

Particle Size: 5-10um

Calcium Silicide CaSi2 Pulp


Calcium silicide (also known as calcium diilicide) is an organic compound and a silicide for calcium. CaSi2 is the molecular formula for calcium silicide. Its molecular mass is 96.2514g/mol. It is a solid, off-white to dark gray or black substance with a melting temperature of 1033degC. It’s not water-soluble, but it can be broken down by water to produce hydrogen or calcium hydroxide. Hot water can decompose it. Calcium silicide, which is highly flammable, can spontaneously ignite in the atmosphere. Ca metal and Si can react to form calcium silicide at temperatures of 850°C. The calcium silicide is a black or dark grey to white solid having a melting temperature of 700 to 935degC. Send an inquiry for the most current price to purchase Calcium Silicide CaSi2 Pulver in Bulk.

Calcium Silicide CaSi2 Pulp:

CaSi2 CaSi2 (CAS 12013-56-78) is a calcium silicide with a high melting temperature, high corrosion resistance and high resistance to oxidation.

Technical Parameters of Calcium Silicide CaSi2 Pulp:

Name of the product MF Purity Particle Size Melting Point Density The color of the sky
calcium silicide CaSi2 99% 5-10um 1020 2.5 g/cm3 silver black

Calcium Silicide CaSi2 Pulp:

CaSi2 Ca Si C P Fe S
>99% 57.12% 41.5% 0.2% 0.02% 0.29% 0.015%

It is simple.

Calcium Silicide CaSi2 Powder


1. By melting elemental calcium and silicon, you can obtain calcium silica with greater purity. However, the process must be completed in two steps.

Mix the calcium shavings with the powdered silicon evenly in a ceramic porcelain boat. After the boat is set, you can pour CO2 into a quartz reaction tube. Once the temperature of the porcelain vessel has reached 1000°C, heat it. Within a matter of seconds the mixture will melt and proceed violently. You can take out the porcelain boat and immediately the CaSi will be coagulated. CaSi, a porous stone with metallic luster and lead-gray coloring, is made.

Next, mix CaSi powder with the calculated amount Si powder. Finally, heat it at 1000 degC using an H2 gaz stream. The final step of the reaction is slow and requires that it be heated for at least fifteen hours.

2. To prepare CaSi2, mix pure CaO and silicon together with the appropriate fluxes CaF2 or CaCl2 at 1400 C. The mixture is then mixed with a lot of silicon element.

Calcium Silicide CaSi2 Pulp


Calcium silicide has many applications. Here are some examples:

Calcium silicides are used in the manufacture of special metal alloys.

It’s used to create special combinations in the pyrotechnic industries, including smoke, flashing elements, striking caps, and flashing components.

For certain types of initiators, pyrotechnics or smoke components, calcium silicide can be used.

Silicon and calcium alloys are mostly used in the foundry and steel industries as desulfurizers or deoxidizers.

The corrosive nature of calcium silicide can be found in all metals.

Calcium intermetallic silicide (CaSi2) can be formed by simultaneously decreasing the calcium oxide content of the electrolyte as well as the silica particle and the dissolved CO2.

In some cases, silicon-based fuel can be used to slow down explosive bolts or grenades. The majority of the components used to smoke are made up of hexachloroethane. They will also produce silicon tetrachloride during combustion. It is similar to the titanium tetrachloride that’s used in smoke screens. Gum arabic is sometimes used in some combinations to prevent the breakdown of calcium silicide.

A mixture of iron oxide, calcium silicide, and thermite was used in self-heating canned military meals. The mixture can be ignited to produce the right amount of heat and not release any gas.

Shipping and Packing of Calcium Silicide CaSi2 Pulver:

Many types of packaging are available depending on the amount CaSi2 powder.

Packing of CaSi2 calcium silicide powder

You can vacuum pack 1kg/bag, 25kg/barrel or according to your requirements.

Delivery of CaSi2 calcium silicide powder

After receipt of payment, items may be sent out either by sea or by air.

Calcium Silicide Properties

Other Titles
calcium disilicide, CaSi2 powder


Compound Formula

Molecular Weight

Gray Powder

Melting Point

Boiling Point


Solubility of H2O

Exact Mass

Calcium Silicide Safety and Health Information

Signal word

Hazard Statements

Hazard Codes

Risk Codes

Safety statements

Transport Information
UN 1405 4.3/PG2

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