Dysprosium(III) iodide explained

Dysprosium(III) iodide is a binary inorganic compound of dysprosium and iodine with the chemical formula .^[1]

Synthesis

Dysprosium(III) iodide can be obtained by reacting dysprosium with iodine.

Dysprosium(III) iodide can be obtained using the effect of mercury diiodide on dysprosium filings:

Physical properties

Dysprosium(III) iodide is a hygroscopic yellow-green flaky solid^[2] that is soluble in water.^[3] The compound has a trigonal crystal structure of the bismuth(III) iodide type with the space group R3.

Uses

Dysprosium(III) iodide is used in gas discharge lamps to generate white light.^[4]

Notes and References

1. Web site: dysprosium triiodide . . 5 April 2023.
2. Book: Macintyre . Jane E. . Dictionary of Inorganic Compounds . 23 July 1992 . . 978-0-412-30120-9 . 3117 . 5 April 2023 . en.
3. Web site: Dysprosium(III) iodide, ultra dry, 99.99% (REO), Thermo Scientific Chemicals . fishersci.com . 5 April 2023.
4. Book: Emsley . John . Nature's Building Blocks: An A-Z Guide to the Elements . 2003 . . 978-0-19-850340-8 . 131 . 5 April 2023 . en.