Chemicals and Drugs

Phosgene

A highly toxic gas that has been used as a chemical warfare agent. It is an insidious poison as it is not irritating immediately, even when fatal concentrations are inhaled. (From The Merck Index, 11th ed, p7304)

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A highly toxic gas that has been used as a chemical warfare agent. It is an insidious poison as it is not irritating immediately, even when fatal concentrations are inhaled. (From The Merck Index, 11th ed, p7304)

Chemical Identity

Chemical Information

Molecular Formula
CCl2O
Molecular Weight
98.91 g/mol
CAS Registry No.
75-44-5
IUPAC Name
carbonyl dichloride
InChIKey
YGYAWVDWMABLBF-UHFFFAOYSA-N
SMILES
C(=O)(Cl)Cl
MeSH Unique ID
D010705
Source
PubChem CID 6371

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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Drug Class

Pharmacological Action

MeSH Record

Aspects Covered

19 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, analogs & derivatives, analysis, chemical synthesis, chemistry, classification, economics, history, isolation & purification, metabolism, pharmacokinetics, pharmacology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity.

MeSH Hierarchy

Tree Number

  1. D02w.522w.741w

MeSH Record

NLM Classification

QV 664

AMA Style

References

  1. National Library of Medicine. Phosgene. Medical Subject Headings (MeSH). 2026. Unique ID D010705. http://id.nlm.nih.gov/mesh/2026/D010705
  2. Phosgene. In: Wikipedia. https://en.wikipedia.org/wiki/Phosgene
  3. Phosgene. In: Wikidata. https://www.wikidata.org/wiki/Q189090
  4. Phosgene. In: PubChem Compound. CID 6371. https://pubchem.ncbi.nlm.nih.gov/compound/6371