Title: olefins
Long Title: IUPAC Gold Book - olefins
DOI: 10.1351/goldbook.O04281
Status: current

Definition
Acyclic and cyclic hydrocarbons having one or more carbon–carbon double bonds, apart from the formal ones in aromatic compounds. The class olefins subsumes alkenes and cycloalkenes and the corresponding polyenes.

Related Terms
- alkenes: https://goldbook.iupac.org//terms/view/A00224
- aromatic: https://goldbook.iupac.org//terms/view/A00441
- hydrocarbons: https://goldbook.iupac.org//terms/view/H02889

Source
- PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1353 (https://doi.org/10.1351/pac199567081307)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/O04281/html
- json: https://goldbook.iupac.org/terms/view/O04281/json
- xml: https://goldbook.iupac.org/terms/view/O04281/xml

Citation: Citation: 'olefins' 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.O04281
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Accessed: 2026-06-20T19:10:18+00:00