Chemicals and Drugs

Potassium Cyanide

A highly poisonous compound that is an inhibitor of many metabolic processes, but has been shown to be an especially potent inhibitor of heme enzymes and hemeproteins. It is used in many industrial processes.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A highly poisonous compound that is an inhibitor of many metabolic processes, but has been shown to be an especially potent inhibitor of heme enzymes and hemeproteins. It is used in many industrial processes.

Chemical Identity

Chemical Information

Molecular Formula
CKN
Molecular Weight
65.116 g/mol
CAS Registry No.
151-50-8
IUPAC Name
potassium cyanide
InChIKey
NNFCIKHAZHQZJG-UHFFFAOYSA-N
SMILES
[C-]#N.[K+]
MeSH Unique ID
D011190
Source
PubChem CID 9032

MeSH Record

Classification

Related Concepts

Knowledge Graph

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

3 entry terms
  • Cyanide, Potassium
  • Potassium Cyanide (K(14)CN)
  • Potassium Cyanide (K(C(15)N))

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 Record

History Note

91(79); was see under CYANIDES 1979-90

MeSH Record

Previous Indexing

  • Cyanides (1966-1978)
  • Potassium (1966-1978)

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Potassium Cyanide. Medical Subject Headings (MeSH). 2026. Unique ID D011190. http://id.nlm.nih.gov/mesh/2026/D011190
  2. Potassium Cyanide. In: Wikipedia. https://en.wikipedia.org/wiki/Potassium_cyanide
  3. Potassium Cyanide. In: Wikidata. https://www.wikidata.org/wiki/Q192470
  4. Potassium Cyanide. In: PubChem Compound. CID 9032. https://pubchem.ncbi.nlm.nih.gov/compound/9032