Selenium (Se) is a non-metallic element with semiconductor properties, used in various industrial applications, including electronics, glass manufacturing, and metallurgy.


Physical & Chemical Properties:

✅ Atomic Number: 34

✅ Appearance: Grey, metallic, or red amorphous powder

✅ Melting Point: ~221°C

✅ Boiling Point: ~685°C

✅ Density: 4.81 g/cm³

✅ Electrical Conductivity: Semi-conductive, conductivity increases with light exposure

Grades & Forms:

✅ Granules / Powder / Ingots – Used in metallurgy and electronics

✅ High Purity Selenium (99.99%) – For semiconductor and solar applications

✅ Industrial Grade Selenium (99.5%) – For glass, pigments, and alloys

Applications:

✅ Electronics & Solar Industry – Used in photovoltaic cells, semiconductors, and rectifiers.

✅ Glass Manufacturing – Removes green tint from glass and enhances red coloration in ceramics.

✅ Metallurgy – Improves machinability of steel and copper alloys.

✅ Chemical Industry – Used in pigments, catalysts, and lubricants.

✅ Medical & Agricultural Uses – In dietary supplements and livestock feed additives.