Structured Summary
Abstract
The first artificially produced element and a radioactive fission product of URANIUM. Technetium has the atomic symbol Tc, and atomic number 43. All technetium isotopes are radioactive. Technetium 99m (m=metastable) which is the decay product of Molybdenum 99, has a half-life of about 6 hours and is used diagnostically as a radioactive imaging agent. Technetium 99 which is a decay product of technetium 99m, has a half-life of 210,000 years.
Chemical Identity
Chemical Information
- Molecular Formula
- Tc
- Molecular Weight
- 96.90636 g/mol
- CAS Registry No.
- 7440-26-8
- IUPAC Name
- technetium
- InChIKey
- GKLVYJBZJHMRIY-UHFFFAOYSA-N
- SMILES
- [Tc]
- MeSH Unique ID
- D013667
- Source
- PubChem CID 23957
MeSH Record
Classification
Broader headings
Related Concepts
Knowledge Graph
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MeSH Record
See Also
MeSH Record
Synonyms
2 entry terms
- Technetium 99m
- 99m, Technetium
MeSH Record
Aspects Covered
19 allowable subheadings
Indexed with the subheadings administration & dosage, adverse effects, analysis, blood, cerebrospinal fluid, chemistry, classification, economics, history, isolation & purification, metabolism, pharmacokinetics, pharmacology, poisoning, standards, supply & distribution, therapeutic use, toxicity, urine.
MeSH Record
Indexing Annotation
note entry term: many specific Technetium Tc 99m terms are available
MeSH Hierarchy
Tree Numbers
AMA Style
References
- National Library of Medicine. Technetium. Medical Subject Headings (MeSH). 2026. Unique ID D013667. http://id.nlm.nih.gov/mesh/2026/D013667
- Technetium. In: Wikipedia. https://en.wikipedia.org/wiki/Technetium
- Technetium. In: Wikidata. https://www.wikidata.org/wiki/Q1054
- Technetium. In: PubChem Compound. CID 23957. https://pubchem.ncbi.nlm.nih.gov/compound/23957