Title: hazard
Long Title: IUPAC Gold Book - hazard
DOI: 10.1351/goldbook.HT06827
Status: current

Definition
Set of inherent properties of a substance, mixture of substances, or a process involving substances that, under production, usage, or disposal conditions, make it capable of causing adverse effects to organisms or the environment, depending on the degree of exposure; in other words, it is a source of danger.

Related Terms
- adverse effects: https://goldbook.iupac.org//terms/view/AT06809
- exposure: https://goldbook.iupac.org//terms/view/ET06811

Source
- PAC, 2004, 76, 1033. 'Glossary of terms used in toxicokinetics (IUPAC Recommendations 2003)' on page 1054 (https://doi.org/10.1351/pac200476051033)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/HT06827/html
- json: https://goldbook.iupac.org/terms/view/HT06827/json
- xml: https://goldbook.iupac.org/terms/view/HT06827/xml

Citation: Citation: 'hazard' 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.HT06827
License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms.
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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: 2026-05-12T10:28:45+00:00