Barium iodide is a unique chemical that exists both as a hydrate and anhydrous solid. The hydrate form of barium iodide is soluble in various liquids like water, ethanol, and acetone. They are the orthorhombic crystals which are white in colour and are also odourless.
Properties Of Barium Iodide
| Chemical formula | BaI2 |
| Molecular weight | 391.136 g/mol (anhydrous)
427.167 g/mol (dihydrate) |
| Density | 5.15 g/cm3 (anhydrous)
4.916 g/cm3Â (dihydrate) |
| Solubility in water | 166.7 g/100 mL (0 °C) |
| Melting point | 711 °C |
Barium Iodide Structural Formula
The structural formula for barium iodide is as shown in the diagram below. It has crystalline packing structure and is toxic in nature.
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