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Indium (III) Telluride | In2Te3 | CAS 1312-45-4


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Indium (III) Telluride (In2Te3) is a crystalline solid used as a semiconductor and in photo optic applications. Heeger Materials can provide the best Indium (III) Telluride (In2Te3) with a purity of 99.99% and 99.999% in the size of lump and powder at a competitive price. The granule size is 3-6 mm and the powder particle size can be customized.

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Data sheet

Purity99.99%-99.999% (4N-5N)
ProductIndium telluride

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Indium (III) Telluride (In2Te3) shows good electrical properties as an n-type semiconductor material. Its electrical resistivity is low at room temperature, while it exhibits metallicity at low temperatures. It exhibits high absorption capacity in the near-infrared spectrum range.

Indium (III) Telluride | In2Te3 | CAS 1312-45-4

High-purity and ultra-high-purity Indium Telluride (In2Te3) materials are crucial components for the research, development, and production of advanced technologies that require optimum properties, performance, and quality.

  • Chemical formula: In2Te3
  • Purity: 99.99 %-99.999 %
  • CAS#: 1312-45-4
  • Molar mass: 612.44 g/mol
  • Appearance: blue cubic crystals
  • Density: 5.75 g/cm3, solid
  • Melting point: 667 °C (1233 °F, 940 K)
  • EINECS NO.: 215-194-4
  • UN NO.: UN3283

Indium (III) Telluride (In2Te3) Crystal Specifications


HM-In2Te3 Crystal

Growth Technique

Float zone technique

Material properties

2D anisotropic semiconductor ~0.7 eV direct gap

Characterization method



~4 mm


99.99% - 99.999% (4N-5N)

Indium Telluride Product List

  • Indium Telluride (In2Te3) Pieces
  • Indium Telluride (In2Te3) Granules
  • Indium Telluride (In2Te3) Powder
  • Indium Telluride (In2Te3) Sputtering Target


  • Used in microelectronic devices, optoelectronic devices, and thermoelectric devices.
  • Used in optical sensors, optical communication devices, and solar cells.
  • Used as an additive for magnetic materials and thermoelectric materials.


Indium (III) Telluride (In2Te3) is carefully packaged in carton boxes with foam protection to minimize damage during storage and transportation and to preserve the quality of our products in their original condition. The vacuum packing is 1kg/bag, 25kg/barrel, or based on specific requirements.

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