Palladium(II) iodide
Palladium(II) iodide is an inorganic compound of palladium and iodine. It is commercially available, though less common than palladium(II) chloride, the usual entry point to palladium chemistry.
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| ChemSpider | |
| ECHA InfoCard | 100.029.276 |
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| Properties | |
| I2Pd | |
| Molar mass | 360.229 g/mol |
| Appearance | Black crystals |
| Density | 6,003 g/cm3 |
| Melting point | 350 °C (decomposes) |
| Insoluble in water | |
| Hazards | |
| GHS labelling:[1] | |
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| Warning | |
| H315, H319, H335 | |
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Other anions |
Palladium(II) fluoride Palladium(II) chloride Palladium(II) bromide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Historically, the quantity of palladium in a sample may be determined gravimetrically by precipitation as palladium(II) iodide. Unlike the chloride and bromide, palladium(II) iodide is not quite as soluble in excess iodide.[2]
Properties
Palladium(II) iodide is insoluble in water by itself, but in the presence of excess iodide it may dissolve due to the formation of the PdI42− anion. While in solution, it can act as a catalyst in some organic reactions.[3]
References
- "C&L Inventory". echa.europa.eu. Retrieved 13 December 2021.
- Beamish, F. E.; Dale, J. (1938). "Determination of Palladium by Means of Potassium Iodide". Industrial & Engineering Chemistry Analytical Edition. 10 (12): 697. doi:10.1021/ac50128a015.
- Gabriele, Bartolo; Salerno, Giuseppe (2006), "Palladium(II) Iodide", Encyclopedia of Reagents for Organic Synthesis, American Cancer Society, doi:10.1002/047084289x.rn00658, ISBN 978-0-470-84289-8, retrieved 2021-03-26
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