self-poisoning

Synonym: autopoisoning in catalysis

in catalysis
A product of a reaction may cause poisoning or inhibition. The phenomenon is called self-poisoning or autopoisoning.
Source:
PAC, 1976, 46, 71 (Manual of Symbols and Terminology for Physicochemical Quantities and Units - Appendix II. Definitions, Terminology and Symbols in Colloid and Surface Chemistry. Part II: Heterogeneous Catalysis) on page 83