|Systematic IUPAC name
3D model (JSmol)
CompTox Dashboard (EPA)
|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)|
|0.45 g/100 mL|
|Solubility||soluble in liquid ammonia|
|Pc, No. 7|
|tetrahedral at Ge, bent at S|
Heat capacity (C)
|50 J /(mol K)|
Std enthalpy of
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|what is ?)(|
Germanium disulfide or Germanium(IV) sulfide is the inorganic compound with the formula GeS2. It is a white high-melting crystalline solid. The compound is a 3-dimensional polymer, in contrast to silicon disulfide, which is a one-dimensional polymer. The Ge-S distance is 2.19 Å.
Germanium disulfide was the first germanium compound found by Clemens Winkler, during the analysis of argyrodite. The fact that germanium sulfide does not dissolve in aqueous acid made it possible for Winkler to isolate the new element.
Natural GeS2 is restricted to fumaroles of some burning coal-mining waste heaps.
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