| M Formula: | BaI2•2H2O |
| Properties: | |
| Colorless crystals, decomposes and reddens on exposure to air. D 5.150, mp loses 2H2O and melts at 740C. Soluble in water; slightly soluble in alcohol. | |
| Derivation: | |
| Action of hydriodic acid on barium hydroxide or of barium carbonate on ferrous iodide solution. | |
| Hazard: | |
| See Barium. | |
| Use: | |
| Preparation of other iodides. | |