Magnesium Silicide (Mg2Si) Powder CAS 22831-39-6

Magnesium Silicide (Mg₂Si) is a lightweight intermetallic compound renowned for its semiconductor properties, thermal stability (melting point ~1102°C), and exceptional thermoelectric efficiency. This gray crystalline material combines magnesium’s low density with silicon’s thermal conductivity, making it ideal for energy harvesting, aerospace components, and advanced electronics.

Ultra-Lightweight: Critical for weight-sensitive designs in aerospace and automotive sectors.
Thermoelectric Performance: High ZT values (~0.7 at 500°C) for efficient energy conversion.
Oxidation Resistance: Stable up to 800°C in inert or dry air environments.
Cost-Effective: Lower raw material costs compared to rare-earth thermoelectrics.

product details

Properties

- - Chemical Formula: Mg2Si
    
    Composition: Si:36.62%, Mg:63.38%
    
    Molecular Weight: 76.70 g/mol
    
    Density: 1.94 g/cm³
    
    Crystal Structure: Cubic (space group F3m)
    
    Melting Point: 1102°C
    
    Thermal Conductivity: 5–10 W/m·K
    
    Electrical Conductivity: Semiconductor (bandgap ~0.8 eV)
    
    Purity: 99% (industrial grade), 99.9% (high-purity grade)

Products Usage

1. Thermoelectric Devices: High-efficiency waste heat recovery systems for automotive and industrial use.

2. Lightweight Alloys: Additive in aluminum alloys for improved strength-to-weight ratios.

3. Semiconductor Industry: Dopant for silicon-based electronics and photovoltaic cells.

4. Aerospace: Structural components requiring low density and high thermal stability.

5. Research: Thermoelectric material studies and energy conversion innovations.

Packing:

Our normal packaging is 25kgs/Drum

The packaging can be customized. the shipping term can be by sea, by air, and sample or small quantity can be shipped by DHL, FEDEX, EMS and TNT.

Remark: Chemical composition and size can be optimized by the customers' requirements 固体通用s27

Conditions for safe storage, including any incompatibilities

Separated from ammonia, strong hydrogen peroxide solutions and strong acids.

Safety Protection

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.