Germanium monosulfide
| Names | |
|---|---|
| Systematic IUPAC name Germanium(II) sulfide | |
| Identifiers | |
| 3D model (JSmol) | |
| ChemSpider | |
| ECHA InfoCard | 100.031.536 | 
| PubChem CID | |
| CompTox Dashboard (EPA) | |
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| Properties | |
| GeS | |
| Molar mass | 104.69 g·mol−1 | 
| Related compounds | |
| Related compounds | Carbon monosulfide | 
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references | |
Germanium monosulfide or Germanium(II) sulfide is the chemical compound with the formula GeS. Germanium sulfide is a red-brown powder or black crystals. It hydrolyzes slowly in moist air but rapidly reacts in water forming Ge(OH)2 and then GeO. It is one of a few sulfides that can be sublimed under vacuum without decomposition. It also forms chalcogenide glasses and is a semiconductor.