Compounds R–[S]n–R , with a chain of sulfur atoms (\(n\geq 2\)) and R ≠ H. Some chemists exclude disulfides, RS2R , from the class polysulfides.
Source: PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1360 [Terms] [Paper]
Citation: 'polysulfides' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.P04754 RISBibTexEndNote