Chemicals and Drugs

2,4,5-Trichlorophenoxyacetic Acid

An herbicide with strong irritant properties. Use of this compound on rice fields, orchards, sugarcane, rangeland, and other noncrop sites was terminated by the EPA in 1985. (From Merck Index, 11th ed)

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

An herbicide with strong irritant properties. Use of this compound on rice fields, orchards, sugarcane, rangeland, and other noncrop sites was terminated by the EPA in 1985. (From Merck Index, 11th ed)

Chemical Identity

Chemical Information

Molecular Formula
C8H5Cl3O3
Molecular Weight
255.5 g/mol
CAS Registry No.
93-76-5
IUPAC Name
2-(2,4,5-trichlorophenoxy)acetic acid
InChIKey
SMYMJHWAQXWPDB-UHFFFAOYSA-N
SMILES
C1=C(C(=CC(=C1Cl)Cl)Cl)OCC(=O)O
MeSH Unique ID
D015085
Source
PubChem CID 1480

MeSH Record

Classification

Broader headings

Narrower headings

Related Concepts

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

1 entry terms
  • 2,4,5-T

MeSH Record

Aspects Covered

25 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analogs & derivatives, 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

74(71)

MeSH Record

Previous Indexing

  • Acetic Acids (1966-1970)
  • Herbicides (1966-1970)
  • Phenols (1966-1970)

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. 2,4,5-Trichlorophenoxyacetic Acid. Medical Subject Headings (MeSH). 2026. Unique ID D015085. http://id.nlm.nih.gov/mesh/2026/D015085
  2. 2,4,5-Trichlorophenoxyacetic Acid. In: Wikipedia. https://en.wikipedia.org/wiki/2,4,5-Trichlorophenoxyacetic_acid
  3. 2,4,5-Trichlorophenoxyacetic Acid. In: Wikidata. https://www.wikidata.org/wiki/Q209188
  4. 2,4,5-Trichlorophenoxyacetic Acid. In: PubChem Compound. CID 1480. https://pubchem.ncbi.nlm.nih.gov/compound/1480