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Chemical compound From Wikipedia, the free encyclopedia
Samarium(III) iodide is an inorganic compound, a salt of samarium and hydroiodic acid with the chemical formula SmI
3.[1][2]
Names | |
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Other names
Triiodosamarium, Samarium triiodide | |
Identifiers | |
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3D model (JSmol) |
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ECHA InfoCard | 100.034.048 |
PubChem CID |
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CompTox Dashboard (EPA) |
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Properties | |
SmI 3 | |
Molar mass | 531.1 |
Appearance | orange-yellow crystals |
Melting point | 850 °C (1,560 °F; 1,120 K) |
decomposes in water | |
Hazards | |
GHS labelling: | |
Danger | |
Related compounds | |
Related compounds |
Samarium(II) iodide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Samarium(III) iodide is prepared by the reaction of metallic samarium and iodine:[3]
Samarium(III) iodide is a yellow powder that is unstable in air and decomposes in water (hydrolysis).[1] When heated with metallic samarium, it forms samarium diiodide:[4]
Reduction by hydrogen also affords samarium diiodide:
The compound is commercially available and used in organic reactions as a catalyst.[1]
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