Germanium
Ge72.63 g/mol Calculated
Also called germylidyne.
The semiconductor of the first transistor, before silicon took over, and now the material of infrared lenses and fibre-optic cores. Element 32.
Sources and notes
- The introductionfrom sourceMoleculeFinder curated
- Other namesfrom sourcePubChem / Wikidata
- Formula and weightcomputedPubChem
- 2D drawingcomputedPubChem structure, drawn by RDKit
Where you encounter it
A pure element or an engineered material, rather than an ingredient in a product.
Sources and notes
- The line abovefrom sourceMoleculeFinder curatedFrom the group the molecule belongs to.
Properties and sources
Calculated by PubChem
- Molecular formula
- Ge
- Molecular weight
- 72.63 g/mol
Reported Hazard label (GHS), ECHA via PubChem
Danger Flammable pictogram (GHS02) and Health hazard pictogram (GHS08); hazard statements H228, H361, H373, H412
Groups it belongs to
- Category
- Element & material
- Family
- Chemical elements
- Hazard classes
- Flammable, Health hazard, GHS Danger
- Size
- Under 100 g/mol
SMILES
[Ge]PubChem CID 6326954 · Wikidata Q867 · InChIKey GNPVGFCGXDBREM-UHFFFAOYSA-N · Data refreshed
Questions
- What is Germanium?
- The semiconductor of the first transistor, before silicon took over, and now the material of infrared lenses and fibre-optic cores. Element 32.
- How toxic is Germanium?
- Its GHS hazard label carries the signal word Danger and the hazard pictograms Flammable and Health hazard. from source
- What kind of molecule is Germanium?
- Germanium has the formula Ge and a molecular weight of 72.63 g/mol. MoleculeFinder files it under chemical elements, in the element & material group. from sourcefrom sourcefrom sourcefrom source
Sources and notes
- Calculated valuescomputedPubChemComputed from the structure, so no laboratory conditions apply; complexity is PubChem's own structural score.
- Hazard labelfrom sourceECHA via PubChemThe label combines these classifications.
- ECHAfrom sourceAttributionSource: European Chemicals Agency, echa.europa.eu.
- Data refreshedfrom sourceMoleculeFinder2026-11-09