Chemicals and Drugs

Hazardous Substances

Elements, compounds, mixtures, or solutions that are considered severely harmful to human health and the environment. They include substances that are toxic, corrosive, flammable, or explosive.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Elements, compounds, mixtures, or solutions that are considered severely harmful to human health and the environment. They include substances that are toxic, corrosive, flammable, or explosive.

MeSH Record

Classification

Broader headings

Narrower headings

Related Concepts

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MeSH Record

Synonyms

22 entry terms
  • Hazardous Material
  • Hazardous Materials
  • Hazardous Substance
  • Material, Hazardous
  • Materials, Hazardous
  • Substance, Hazardous
  • Substances, Hazardous
  • Biohazard
  • Biohazards
  • Chemicals, Hazardous
  • Environmental Substances, Toxic
  • Hazardous Chemical
  • Hazardous Chemicals
  • Toxic Environmental Substance
  • Toxic Environmental Substances
  • Toxic Substances, Environmental
  • Chemical, Hazardous
  • Environmental Substance, Toxic
  • Environmental Toxic Substances
  • Substance, Toxic Environmental
  • Substances, Environmental Toxic
  • Substances, Toxic Environmental

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

HAZARDOUS WASTE is also available

MeSH Record

History Note

89

MeSH Record

Previous Indexing

  • Environmental Exposure (1967-1988)
  • Environmental Pollutants (1975-1988)
  • Environmental Pollution (1971-1988)

MeSH Hierarchy

Tree Number

AMA Style

References

  1. National Library of Medicine. Hazardous Substances. Medical Subject Headings (MeSH). 2026. Unique ID D015386. http://id.nlm.nih.gov/mesh/2026/D015386
  2. Hazardous Substances. In: Wikipedia. https://en.wikipedia.org/wiki/Dangerous_goods
  3. Hazardous Substances. In: Wikidata. https://www.wikidata.org/wiki/Q757138