| Identification | Back Directory | [Name]
GERMANIUM DISULFIDE | [CAS]
12025-34-2 | [Synonyms]
Germanic sulfide
GERMANIUM SULFIDE
GERMANIUM DISULFIDE
germanium disulphide
GERMANIUM (IV) SULFIDE
germaniumsulfide(ges2)
Germanium(IV)bissulfide
GERMANIUM(IV) SULFIDE: 99.99%
Germanium Telluride, 6mm Pieces & Down
Germanium Telluride, 6mm Pieces & Down 99.999%
Germanium(IV) sulfide, 99.99%, trace metals basis | [EINECS(EC#)]
234-705-1 | [Molecular Formula]
GeS2 | [MDL Number]
MFCD00016122 | [MOL File]
12025-34-2.mol | [Molecular Weight]
136.77 |
| Chemical Properties | Back Directory | [Melting point ]
725°C | [density ]
6.14 | [refractive index ]
2.196 (632.8 nm) | [form ]
black orthorhombic crystals | [color ]
black orthorhombic crystals, crystalline | [Water Solubility ]
decomposed by H2O [CRC10] | [crystal system]
Monoclinic | [Space group]
Pc | [Lattice constant]
| a/nm | b/nm | c/nm | α/o | β/o | γ/o | V/nm3 | | 0.6875 | 2.255 | 0.6809 | 90 | 120.45 | 90 | 0.91 |
| [InChI]
InChI=1S/GeS2/c2-1-3 | [InChIKey]
YIZVROFXIVWAAZ-UHFFFAOYSA-N | [SMILES]
[Ge](=S)=S | [EPA Substance Registry System]
Germanium sulfide (GeS2) (12025-34-2) |
| Questions And Answer | Back Directory | [Uses]
Germanium disulfide is a white powder or white orthorhombic crystal and can be used in the smelting of metallic germanium. | [Description]
Germanium disulfide (GeS2) or germanium (IV) sulfide is a white high melting crystalline solid. It is a 3-dimensional polymer.1 It can be obtained by the reaction between hydrogen sulfide and germanium tetrachloride in a concentrated hydrochloric acid solution. It is used as a semiconductor. It is also used in photo optic applications, e.g. in chalcogenide glasses for second harmonic generation.2
| [References]
- https://en.wikipedia.org/wiki/Germanium_disulfide
- M. Guignard, V. Nazabal, F. Smektala, J. L. Adam, O. Bohnke, C. Duverger, A. Moreac, H. Zeghlache, A. Kudlinski, G. Martinelli, Y. Quiquempois, Chalcogenide glasses based on germanium disulfide for second harmonic generation, Advanced Functional Materials, 2007, vol. 17, pp. 3284-3294
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Rhawn Reagent
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