What is Selenium (Se) Micron Powder?

Selenium (Se) Micron Powder is a high-purity elemental material with semiconducting, photoconductive, and catalytic properties. It is widely used in electronics, glass manufacturing, metallurgy, pigments, and pharmaceuticals due to its excellent electrical conductivity, optical properties, and antioxidant characteristics.

Chemical Properties of Selenium (Se) Micron Powder

• Chemical Formula: Se
• Molecular Weight: 78.96 g/mol
• Density: ~4.81 g/cm³
• Melting Point: ~221°C
• Boiling Point: ~685°C
• Electrical Conductivity: ~1 × 10⁻³ S/m (depends on phase)
• Thermal Conductivity: ~2.0 W/m·K
• Solubility: Insoluble in water, soluble in concentrated acids
• Allotropic Forms: Amorphous, Crystalline (Trigonal, Monoclinic)
• CAS Number: 7782-49-2

Applications of Selenium (Se) Micron Powder

1. Electronics & Semiconductor Industry

   • Used in photovoltaic solar cells, rectifiers, and semiconductors.
   • Applied in xerographic photoreceptors for laser printers and copiers.

2. Glass & Pigment Manufacturing

   • Used as a decolorizing agent in glass production by removing greenish tint caused by iron impurities.
   • Enhances red and pink pigmentation in ceramics and plastics.

3. Metallurgy & Steel Industry

   • Improves machinability in stainless steel and copper alloys.
   • Used in lead-acid battery grids for better mechanical properties.

4. Medical & Pharmaceutical Applications

   • Incorporated in dietary supplements and antioxidants for cellular protection.
   • Used in cancer research and selenium-enriched medical formulations.

5. Agriculture & Animal Nutrition

   • Used as a selenium supplement in animal feed to prevent deficiencies.
   • Improves plant growth and crop yield in selenium-deficient soils.

6. Chemical Catalysis & Environmental Applications

   • Applied in catalysts for petrochemical refining and industrial synthesis.
   • Used in pollution control technologies and heavy metal removal.

7. Energy Storage & Renewable Energy

   • Investigated for next-generation lithium-selenium (Li-Se) batteries for high-capacity energy storage.

Selenium (Se) Micron Powder Prices

Pricing varies based on purity, particle size, and application-specific requirements.

• Industrial Grade (99% Purity): $30 – $150 per kg
• High Purity (99.9% – 99.99% for Electronics & Glass Manufacturing): $200 – $1,000 per kg
• Ultra-High Purity (99.999% for Semiconductor & Research Applications): $2,000 – $5,000 per kg

Prices fluctuate based on global selenium supply, refining costs, and demand from high-tech industries.