Table 2. Solubility of the Iodosulfuron-Methyl Sodium Salt ([Na][ISM]) and the Prepared Iodosulfuron-Methyl-Based ILs (1–13) at 25 °C.

Snyder polarity index: +, good solubility; ±, medium solubility; −, low solubility.

Snyder polarity index: +, good solubility; ±, medium solubility; −, low solubility.