Chemicals and Drugs

Tetrathionic Acid

A sulfuric acid dimer, formed by disulfide linkage. This compound has been used to prolong coagulation time and as an antidote in cyanide poisoning.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A sulfuric acid dimer, formed by disulfide linkage. This compound has been used to prolong coagulation time and as an antidote in cyanide poisoning.

Chemical Identity

Chemical Information

Molecular Formula
H2O6S4
Molecular Weight
226.3 g/mol
CAS Registry No.
13760-29-7
InChIKey
HPQYKCJIWQFJMS-UHFFFAOYSA-N
SMILES
OS(=O)(=O)SSS(=O)(=O)O
MeSH Unique ID
D013776
Source
PubChem CID 26259

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

8 entry terms
  • Potassium Tetrathionate
  • Sodium Tetrathionate
  • Tetrathionic Acid, Calcium Salt (1:1)
  • Tetrathionic Acid, Dipotassium Salt
  • Tetrathionic Acid, Disodium Salt
  • Tetrathionic Acid, Disodium Salt, Dihydrate
  • Tetrathionate, Potassium
  • Tetrathionate, Sodium

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 Record

History Note

91(75); was see under THIOSULFATES 1975-90

MeSH Record

Previous Indexing

  • Thiosulfates (1970-1974)

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Tetrathionic Acid. Medical Subject Headings (MeSH). 2026. Unique ID D013776. http://id.nlm.nih.gov/mesh/2026/D013776
  2. Tetrathionic Acid. In: Wikidata. https://www.wikidata.org/wiki/Q27102111
  3. Tetrathionic Acid. In: PubChem Compound. CID 26259. https://pubchem.ncbi.nlm.nih.gov/compound/26259