SHEET /m/germanium · PubChem CID 6326954 · CAS 7440-56-4 · REV 2026.07
marquee
Germanium
from sourceGe · 72.63 g/mol
germylidyne
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. from source
CategoryElement & material
LeaderboardsBiggest
Fig. 1 · 2D structure RDKit
SMILES
[Ge]Where you'll find it
A pure element or an engineered material, rather than an ingredient in a product. See the rest of the element & material group.
Toxicity & hazards
DangerFlammableHealth hazardH228, H361, H373, H412from source