Chemicals and Drugs

Ammonia

A colorless alkaline gas. It is formed in the body during decomposition of organic materials during a large number of metabolically important reactions. Note that the aqueous form of ammonia is referred to as AMMONIUM HYDROXIDE.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A colorless alkaline gas. It is formed in the body during decomposition of organic materials during a large number of metabolically important reactions. Note that the aqueous form of ammonia is referred to as AMMONIUM HYDROXIDE.

Chemical Identity

Chemical Information

Molecular Formula
H3N
Molecular Weight
17.031 g/mol
CAS Registry No.
7664-41-7
IUPAC Name
azane
InChIKey
QGZKDVFQNNGYKY-UHFFFAOYSA-N
SMILES
N
MeSH Unique ID
D000641
Source
PubChem CID 222

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

See Also

MeSH Record

Aspects Covered

24 allowable subheadings

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

MeSH Hierarchy

Tree Numbers

  1. D01w.362w.075w
  2. D01w.625w.050w

AMA Style

References

  1. National Library of Medicine. Ammonia. Medical Subject Headings (MeSH). 2026. Unique ID D000641. http://id.nlm.nih.gov/mesh/2026/D000641
  2. Ammonia. In: Wikipedia. https://en.wikipedia.org/wiki/Ammonia
  3. Ammonia. In: Wikidata. https://www.wikidata.org/wiki/Q4087
  4. Ammonia. In: PubChem Compound. CID 222. https://pubchem.ncbi.nlm.nih.gov/compound/222