SHEET /m/technetium · PubChem CID 23957 · CAS 7440-26-8 · REV 2026.07
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Technetium
from sourceTc · 96.90636 g/mol
panormium · Tc · masurium · eka-manganese
What is Technetium?
The lightest element with no stable form at all, made in reactors, and the radioactive tracer behind most nuclear medicine scans. Element 43. from source
CategoryElement & material
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Fig. 1 · 2D structure RDKit
SMILES
[Tc]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.