Solubility of TEMPO derivatives in different supporting electrolyte solutions (0.5 M) at room temperature.
| Sample | LiCl | NaCl | KCl | NaNO3 | Na2SO4 |
|---|---|---|---|---|---|
| 4HT | 0.69 M | 1.26 M | 1.25 M | 1.38 M | 0.33 M |
| 4OT | 0.83 M | 0.89 M | 0.79 M | 0.87 M | 0.78 M |
| 4AT | 3.92 M | 5.23 M | 4.80 M | 5.06 M | 2.98 M |