| Chemistry name: | tetraiodofluorescein |
| M Formula: | C20H8I4O5 |
| Properties: | |
| Red powder. Soluble in dilute alkalies; slightly soluble in alcohol and ether; insoluble in water. | |
| Derivation: | |
| Interaction of fluorescein and iodine in presence of iodic acid. | |
| Use: | |
| Indicator in analytical chemistry. | |