Dysprosium(III) iodide

Dysprosium iodide is a binary inorganic compound of dysprosium and iodine with the chemical formula.

Synthesis

Dysprosium iodide can be obtained by reacting dysprosium with iodine.
Dysprosium iodide can be obtained using the effect of mercury diiodide on dysprosium filings:

Physical properties

Dysprosium iodide is a hygroscopic yellow-green flaky solid that is soluble in water. The compound has a trigonal crystal structure of the bismuth iodide type with the space group R3.

Uses

Dysprosium iodide is used in gas discharge lamps to generate white light.