Iron silicide is an inorganic substance with a chemical formula of FeSi₂, gray powder, odorless, tetragonal crystal, insoluble in water, and can be used as a catalyst for hydrogen catalytic oxidation and methanation, specifically as a deoxidizer for welding flux, humidity sensor, FeSi₂ thermocouple, thermoelectric solar cell.
How to synthesize iron disilicide
The iron powder and the silicon powder with a molar ratio of 1:2 are evenly mixed and eutecticized or sintered in a vacuum or an inert atmosphere.
Ecological data of iron disilicide
Usually it is not harmful to water. If there is no government permission, do not discharge the material into the surrounding environment.
The physical and chemical properties of iron disilicide
Properties: gray powder, odorless, tetragonal crystal
Density (g/mL, 25℃): 4.79
Melting point (ºC): 1220
Solubility: insoluble in water [3]
Stable under normal temperature and pressure.
In the presence of EtONa, it reacts with EtOH to produce Si(OEt)4.
Summary of FeSi2 FeSi2 powder
The chemical form of iron disilicide is FeSi2, which is an intermetallic compound and a kind of iron silicide, which exists in nature as a rare mineral. Rhombic crystals (β-phase) are formed at room temperature, which transform into tetragonal α-phase when heated to 970°C. Iron disilicide is a gray powder, odorless, tetragonal crystal system, insoluble in water. Iron disilicide (FeSi2) is a semiconductor material with a direct band gap (0.85-0.87eV), with high absorption coefficient, high Seebeck coefficient, high working temperature and high oxidation resistance.
Iron disilicide is an inorganic silicon compound with a molecular formula of FeSi2 and a molecular weight of 119.975. It is a gray powder, odorless, tetragonal crystals.
Application of iron disilicide FeSi2 powder
Iron disilicide is used as a catalyst for hydrogen catalytic oxidation and methanation.
Iron disilicide is used as a deoxidizer for fluxes, humidity sensors, FeSi2 thermocouples and thermoelectric solar cells.
Iron disilicide is used in various photovoltaic applications, such as lithium-ion batteries, light-emitting diodes (LEDs), and solar cells.
Iron disilicide FeSi2 powder price
The price of iron silicide FeSi2 powder will vary randomly with the production cost, transportation cost, international situation, exchange rate and supply and demand of iron silicide FeSi2 powder. Tanki New Materials Co., Ltd. aims to help various industries and chemical wholesalers find high-quality, low-cost nanomaterials and chemicals by providing a full set of customized services. If you are looking for iron disilicide FeSi2 powder, please feel free to send an inquiry to get the latest price of iron disilicide FeSi2 powder.
Suppliers of iron disilicide FeSi2 powder
As a global supplier of iron disilicide FeSi2 powder, Tanki New Materials Co., Ltd. has extensive experience in the performance, application and cost-effective manufacturing of advanced engineering materials. The company has successfully developed a series of powder materials (including oxides, carbides, nitrides, single metals, etc.), high-purity targets, functional ceramics and structural devices, and provides OEM services.
| Technical Parameter of Iron Disilicide FeSi2 Powder: | |||||||
| Product Name | MF | Purity | Particle Size | Molecular weight | Density | Color | |
| Iron disilicide | FeSi2 | 99% | 5-10um | 119.975 | 4.75 g/cm3 | gray | |
| Chemical Composition of Iron Disilicide FeSi2 Powder: | |||||||
| FeSi2 | Fe | Si | P | S | Si | Mg | Fe |
| 99% | 49.30% | 50.20% | 0.01% | 0.07% | 0.01% | 0.00% | 0.14% |
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