Chemicals and Drugs

2,4-Dichlorophenoxyacetic Acid

An herbicide with irritant effects on the eye and the gastrointestinal system.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

An herbicide with irritant effects on the eye and the gastrointestinal system.

Chemical Identity

Chemical Information

Molecular Formula
C8H6Cl2O3
Molecular Weight
221.03 g/mol
CAS Registry No.
94-75-7
IUPAC Name
2-(2,4-dichlorophenoxy)acetic acid
InChIKey
OVSKIKFHRZPJSS-UHFFFAOYSA-N
SMILES
C1=CC(=C(C=C1Cl)Cl)OCC(=O)O
MeSH Unique ID
D015084
Source
PubChem CID 1486

MeSH Record

Classification

Broader headings

Narrower headings

Related Concepts

Knowledge Graph

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

7 entry terms
  • 2,4-D
  • 2,4 Dichlorophenoxyacetic Acid
  • 2,4-Dichlorophenoxyacetic Acid, Ammonium Salt
  • 2,4-Dichlorophenoxyacetic Acid, Lithium Salt
  • 2,4-Dichlorophenoxyacetic Acid, Potassium Salt
  • 2,4-Dichlorophenoxyacetic Acid, Sodium Salt
  • Monosan

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

73(71)

MeSH Record

Previous Indexing

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

MeSH Hierarchy

Tree Numbers

  1. D02w.241w.081.018w.386.682.224w
  2. D02w.241w.511w.316.682.149w

AMA Style

References

  1. National Library of Medicine. 2,4-Dichlorophenoxyacetic Acid. Medical Subject Headings (MeSH). 2026. Unique ID D015084. http://id.nlm.nih.gov/mesh/2026/D015084
  2. 2,4-Dichlorophenoxyacetic Acid. In: Wikipedia. https://en.wikipedia.org/wiki/2,4-Dichlorophenoxyacetic_acid
  3. 2,4-Dichlorophenoxyacetic Acid. In: Wikidata. https://www.wikidata.org/wiki/Q209222
  4. 2,4-Dichlorophenoxyacetic Acid. In: PubChem Compound. CID 1486. https://pubchem.ncbi.nlm.nih.gov/compound/1486