Atomfair Iron Disilicide Powder (FeSi₂), 99.99% Purity, -200 / -160 Mesh Grades
Product Description
Atomfair iron disilicide (FeSi₂) is supplied as a gray powder at 99.99% purity and is available in -200 mesh or -160 mesh. It is intended for research on hydrogen oxidation and methanation catalysis, welding-flux deoxidation, humidity sensors, thermocouples, and thermoelectric solar cells.
Technical Specifications
| PARAMETER DETAILS | |
|---|---|
| Product | Iron Disilicide Powder (FeSi2) |
| Material | Iron Disilicide |
| Chemical Formula | FeSi2 |
| CAS Number | 12022-95-6 |
| Purity | 99.99% |
| Particle Size / Specification | Available in -200 mesh or -160 mesh |
| Physical State | Powder |
| Appearance | Gray powder |
| Molar Mass | 119.975 g/mol |
| Density | 4.79 g/cm³ |
| Melting Point | 1410 °C |
| Water Solubility | Insoluble |
| EINECS Number | 234-670-2 |
Customization & Ordering
For custom specifications, quantities, or packaging, submit the required details through Request a Quote.
Key Features and Advantages
- Available in -200 mesh or -160 mesh.
- Gray powder appearance.
- Molar Mass: 119.975 g/mol.
APPLICATION SCOPE: Research on hydrogen oxidation and methanation catalysis, welding-flux deoxidation, humidity sensors, thermocouples, and thermoelectric solar cells.
DOCUMENTATION: COA and SDS can be provided upon request for batch-specific confirmation.
TAILORED SOLUTIONS FOR RESEARCH
For specification review and quotation support, contact the Atomfair team.
Store in a sealed container under dry, inert atmosphere to prevent oxidation. Avoid exposure to moisture and high temperatures above 200°C to maintain phase stability.
- Atmosphere Sensitivity: Powder surface oxidation may occur upon prolonged exposure to ambient air, requiring inert gas storage.
- Thermal Degradation Risk: Sustained heating above 200°C in air can lead to formation of iron oxides and silicon dioxide, altering catalytic properties.
Transfer powder under inert atmosphere using a glovebox to prevent surface oxidation. Use appropriate PPE including N95 respirator and nitrile gloves to avoid inhalation and skin contact.
Required Equipment: Glovebox with argon or nitrogen purge, Stainless steel spatula, Sealed glass vial with PTFE-lined cap
- Prepare glovebox atmosphere
Purge the glovebox with argon or nitrogen until oxygen and moisture levels are below 1 ppm. - Weigh powder
Transfer the required amount of FeSi₂ powder into a pre-weighed glass vial using a clean stainless steel spatula inside the glovebox. - Seal container
Cap the vial tightly with a PTFE-lined lid and remove from glovebox for immediate use or storage. - Disperse for catalysis
Suspend the powder in anhydrous ethanol or isopropanol by sonication for 10 minutes to achieve uniform dispersion before coating or loading.
How should I choose between the -200 mesh and -160 mesh grades of Atomfair FeSi2 powder for catalysis research?
Atomfair supplies FeSi2 as 99.99% pure gray powder in either -200 mesh or -160 mesh. The -200 mesh grade is the finer sieve cut, which generally provides a larger particle surface area per mass and is therefore the more relevant choice when surface exposure drives catalytic performance. The listing specifies hydrogen oxidation and methanation catalysis as intended applications, but it does not provide measured surface area or a recommended mesh, so confirm lot-specific data with the COA before finalizing the grade.
What application constraints are specified for Atomfair FeSi2 powder?
The stated application scope covers hydrogen oxidation and methanation catalysis, welding-flux deoxidation, humidity sensors, thermocouples, and thermoelectric solar cells. The material is a water-insoluble FeSi2 powder with 99.99% purity, density of 4.79 g/cm³, and melting point of 1410 °C; the catalog does not state further pretreatment, integration, or device-specific procedures for any of these applications.
What batch documentation should be requested before using Atomfair FeSi2 powder in the lab?
Atomfair can provide a COA and SDS upon request for batch-specific confirmation of the FeSi2 powder. The listing provides CAS number 12022-95-6, purity 99.99%, molar mass 119.975 g/mol, density 4.79 g/cm³, melting point 1410 °C, and water insolubility, but it does not publish handling, storage, or exposure-control parameters, so the SDS should be requested before laboratory use.
Atomfair Iron Disilicide Powder (FeSi₂) at 99.99% purity is evaluated for research applications including hydrogen oxidation catalysis, methanation, and thermoelectric devices, with particle size options of -200 mesh or -160 mesh influencing surface reactivity and packing density.
Positive
- High purity for catalytic research: The 99.99% purity minimizes trace-metal interference in hydrogen oxidation and methanation catalysis studies, ensuring reproducible reaction kinetics.
- Dual mesh size availability: Offered in -200 mesh and -160 mesh, allowing researchers to select particle size for optimized surface area or flow characteristics in thermoelectric or sensor applications.
Trade-offs
- Water insolubility limits wet processing: FeSi₂ is insoluble in water, requiring non-aqueous solvents or dry handling for dispersion and slurry preparation in coating or deposition processes.
- High melting point requires specialized equipment: With a melting point of 1410 °C, thermal processing such as sintering or melting demands high-temperature furnaces, increasing infrastructure requirements for lab-scale studies.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
