Chemicals and Drugs

Tungsten

A metallic element with the atomic symbol W, atomic number 74, and atomic weight 183.85. It is used in many manufacturing applications, including increasing the hardness, toughness, and tensile strength of steel; manufacture of filaments for incandescent light bulbs; and in contact points for automotive and electrical apparatus.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A metallic element with the atomic symbol W, atomic number 74, and atomic weight 183.85. It is used in many manufacturing applications, including increasing the hardness, toughness, and tensile strength of steel; manufacture of filaments for incandescent light bulbs; and in contact points for automotive and electrical apparatus.

Chemical Identity

Chemical Information

Molecular Formula
W
Molecular Weight
183.84 g/mol
CAS Registry No.
7440-33-7
IUPAC Name
tungsten
InChIKey
WFKWXMTUELFFGS-UHFFFAOYSA-N
SMILES
[W]
MeSH Unique ID
D014414
Source
PubChem CID 23964

MeSH Record

Classification

Related Concepts

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MeSH Record

Synonyms

1 entry terms
  • Wolfram

MeSH Record

Aspects Covered

24 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analysis, blood, cerebrospinal fluid, chemistry, classification, deficiency, economics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, physiology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, urine.

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Tungsten. Medical Subject Headings (MeSH). 2026. Unique ID D014414. http://id.nlm.nih.gov/mesh/2026/D014414
  2. Tungsten. In: Wikipedia. https://en.wikipedia.org/wiki/Tungsten
  3. Tungsten. In: Wikidata. https://www.wikidata.org/wiki/Q743
  4. Tungsten. In: PubChem Compound. CID 23964. https://pubchem.ncbi.nlm.nih.gov/compound/23964