Brønsted base

https://doi.org/10.1351/goldbook.B00745
A molecular entity capable of accepting a hydron (proton) from an acid (i.e. a 'hydron acceptor') or the corresponding chemical species. For example: $\ce{OH−}$, $\ce{H2O}$, $\ce{CH3CO2^{−}}$, $\ce{HSO4^{−}}$, $\ce{SO4^{2−}}$, $\ce{Cl^{−}}$.
See also: conjugate acid–base pair
Source:
PAC, 1994, 66, 1077. (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1091 [Terms] [Paper]
Citation: 'Brønsted base' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.B00745 RIS BibTex EndNote
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