Chemicals and Drugs

Yttrium

An element of the rare earth family of metals. It has the atomic symbol Y, atomic number 39, and atomic weight 88.91. In conjunction with other rare earths, yttrium is used as a phosphor in television receivers and is a component of the yttrium-aluminum garnet (YAG) lasers.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

An element of the rare earth family of metals. It has the atomic symbol Y, atomic number 39, and atomic weight 88.91. In conjunction with other rare earths, yttrium is used as a phosphor in television receivers and is a component of the yttrium-aluminum garnet (YAG) lasers.

Chemical Identity

Chemical Information

Molecular Formula
Y
Molecular Weight
88.90584 g/mol
CAS Registry No.
7440-65-5
IUPAC Name
yttrium
InChIKey
VWQVUPCCIRVNHF-UHFFFAOYSA-N
SMILES
[Y]
MeSH Unique ID
D015019
Source
PubChem CID 23993

MeSH Record

Classification

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MeSH Record

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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

  1. D01w.268w.558w.975w
  2. D01w.268w.956w.890w
  3. D01w.552w.550w.975w

AMA Style

References

  1. National Library of Medicine. Yttrium. Medical Subject Headings (MeSH). 2026. Unique ID D015019. http://id.nlm.nih.gov/mesh/2026/D015019
  2. Yttrium. In: Wikipedia. https://en.wikipedia.org/wiki/Yttrium
  3. Yttrium. In: Wikidata. https://www.wikidata.org/wiki/Q941
  4. Yttrium. In: PubChem Compound. CID 23993. https://pubchem.ncbi.nlm.nih.gov/compound/23993