Title: primary photochemical process
Long Title: IUPAC Gold Book - primary photochemical process
DOI: 10.1351/goldbook.P04836
Status: current

Definition
Any elementary chemical process undergone by an electronically excited molecular entity and yielding a primary photoproduct.

Related Terms
- molecular entity: https://goldbook.iupac.org//terms/view/M03986
- photophysical processes: https://goldbook.iupac.org//terms/view/P04647

Source
- PAC, 1996, 68, 2223. 'Glossary of terms used in photochemistry (IUPAC Recommendations 1996)' on page 2266 (https://doi.org/10.1351/pac199668122223)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/P04836/html
- json: https://goldbook.iupac.org/terms/view/P04836/json
- xml: https://goldbook.iupac.org/terms/view/P04836/xml

Citation: Citation: 'primary photochemical process' 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.P04836
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Accessed: 2026-06-20T23:21:30+00:00