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Germanium(IV) Sulfide | GeS2 | CAS 12025-34-2


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Germanium(IV) Sulfide (GeS2) is a 2D material with unique properties. Heeger Materials can provide the best Germanium(IV) Sulfide (GeS2) with a purity of 99.99% and 99.999% in size of lump and powder. The size can be customized according to specific requirements.

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Data sheet

Molecular Weight136.75
Purity99.99%-99.9999% (4N-5N)
ProductGermanium(IV) sulfide

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Germanium(IV) Sulfide (GeS2)is an organic compound with the formula GeS2. It is a white high-melting crystalline solid. High-purity and ultra-high purity Germanium(IV) sulfide (GeS2) materials are crucial components for the research, development, and production of advanced technologies that require optimum properties, performance, and quality. 

Germanium(IV) Sulfide | GeS2 | CAS 12025-34-2

  • Molecular formula: GeS2
  • Purity: 99.99%-99.999 %
  • EINECS NO.: 234-705-1
  • CAS: 12025-34-2
  • Molar mass:136.75 g·mol−1
  • Appearance: White, translucent crystals
  • Density: 2.94 g cm−3
  • Melting point: 840 °C (1,540 °F; 1,110 K)
  • Boiling point: 1,530 °C (2,790 °F; 1,800 K)
  • Solubility in water: 0.45 g/100 mL
  • Solubility: soluble in liquid ammonia
  • Magnetic susceptibility (χ): −53.3·10−6 cm3/mol
  • Crystal structure: monoclinic, mP36


  • Used as an anode material for high-performance lithium-sulfur batteries.
  • Used in the production of other components and materials for use in advanced electronics.
  • Used as a catalyst in the production of more complex compounds for use in high-tech equipment and for other chemical reactions.


Germanium(IV) Sulfide (GeS2) 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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