Chemicals and Drugs

Mercuric Chloride

Mercury chloride (HgCl2). A highly toxic compound that volatizes slightly at ordinary temperature and appreciably at 100 degrees C. It is corrosive to mucous membranes and used as a topical antiseptic and disinfectant.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Mercury chloride (HgCl2). A highly toxic compound that volatizes slightly at ordinary temperature and appreciably at 100 degrees C. It is corrosive to mucous membranes and used as a topical antiseptic and disinfectant.

Chemical Identity

Chemical Information

Molecular Formula
Cl2Hg
Molecular Weight
271.50 g/mol
CAS Registry No.
7487-94-7
IUPAC Name
dichloromercury
InChIKey
LWJROJCJINYWOX-UHFFFAOYSA-L
SMILES
Cl[Hg]Cl
MeSH Unique ID
D008627
Source
PubChem CID 24085

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

13 entry terms
  • Corrosive Sublimate
  • HgCl2
  • Mercuric Perchloride
  • Mercury Bichloride
  • Mercury Dichloride
  • Mercury Perchloride
  • Sublimate
  • Bichloride, Mercury
  • Chloride, Mercuric
  • Dichloride, Mercury
  • Perchloride, Mercuric
  • Perchloride, Mercury
  • Sublimate, Corrosive

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

Indexing Annotation

a local anti-infective

MeSH Record

History Note

85

MeSH Record

Previous Indexing

  • Mercury (1966-1984)

MeSH Hierarchy

Tree Numbers

  1. D01w.210w.450w.150w.525w
  2. D01w.538.500w

AMA Style

References

  1. National Library of Medicine. Mercuric Chloride. Medical Subject Headings (MeSH). 2026. Unique ID D008627. http://id.nlm.nih.gov/mesh/2026/D008627
  2. Mercuric Chloride. In: Wikipedia. https://en.wikipedia.org/wiki/Mercury(II)_chloride
  3. Mercuric Chloride. In: Wikidata. https://www.wikidata.org/wiki/Q143200
  4. Mercuric Chloride. In: PubChem Compound. CID 24085. https://pubchem.ncbi.nlm.nih.gov/compound/24085