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Tellurium (Te) Lump

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Tellurium Lump is used in Telluride, infrared detector materials, solar cell materials, cooling material, and so on. Heeger Materials provides Tellurium Lump with high quality and at a competitive price.

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Tellurium Lump is a rare, silvery-white, semi-metallic element that exhibits both metallic and non-metallic traits. The 99.99% grade is irregular in shape and made by a physical crushing machine. While high purity grades of 99.999% and 99.99999% are made by distillation technology and shape form is like roofing tile. We can supply Tellurium lump purity range from 99.99% to 99.99999%.

  • Molecular Formula: Te
  • Purity: 99.99%, 99.999%, 99.9999%
  • Phase at STP: solid
  • Appearance: silvery lustrous gray (crystalline),  brown-black powder (amorphous)
  • Melting point: 722.66 K (449.51 °C, 841.12 °F)
  • Boiling point: 1261 K (988 °C, 1810 °F)
  • Density (near r.t.): 6.24 g/cm3
  • when liquid (at m.p.): 5.70 g/cm3
  • Heat of fusion: 17.49 kJ/mol
  • Heat of vaporization: 114.1 kJ/mol
  • Molar heat capacity: 25.73 J/(mol·K)


Tellurium Lump is used in Telluride, infrared detector materials, solar cell materials, cooling material, etc.

Why choose us?

  • Tellurium metal has a high milling rate when producing Tellurium powder, which has no risk when using due to its stable quality.
  • High purity availability from 5N to 7N in the shape of irregular lump and roofing tiles.
  • Each content of Cu, Fe, Pb, Cd, is less than 10ppm by wt to the 99.99% grade.
  • Strict quality control for procedures of raw material, process control, and pre-delivery.
  • Great technical capability to be a valued and long-term supplier.
  • Technical support: 24 hours technical support by e-mail or call.

Packing & Shipping

The Tellurium (Te) Lump will be packaged in a vacuum bag.

  • CAS No.: 13494-80-9
  • EINECS No.: 236-813-4

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