Title: absolute lethal dose
Long Title: IUPAC Gold Book - absolute lethal dose
DOI: 10.1351/goldbook.A00025
Status: current
Index: quantity

Definition
Lowest amount of a substance which kills 100% of test animals under defined conditions. This value is dependent on the number of organisms used in its assessment.

Source
- PAC, 1993, 65, 2003. 'Glossary for chemists of terms used in toxicology (IUPAC Recommendations 1993)' on page 2007 (https://doi.org/10.1351/pac199365092003)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/A00025/html
- json: https://goldbook.iupac.org/terms/view/A00025/json
- xml: https://goldbook.iupac.org/terms/view/A00025/xml

Citation: Citation: 'absolute lethal dose' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.A00025
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Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.
Accessed: 2026-04-21T12:25:01+00:00