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// Workers AI · dad joke modeWhy did Dysprosium(III) iodide go to therapy? It had an odd bond.

From Wikipedia, the free encyclopedia
(Redirected from Dysprosium iodide)
Dysprosium(III) iodide
Names
Other names
Dysprosium triiodide, triiododysprosium
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.035.888 Edit this at Wikidata
EC Number
  • 239-493-4
  • InChI=1S/Dy.3HI/h;3*1H/q+3;;;/p-3
    Key: RZQFCZYXPRKMTP-UHFFFAOYSA-K
  • I[Dy](I)I
Properties
DyI3
Molar mass 543.213 g·mol−1
Appearance yellow-green flaky solid
Density g/cm3
Melting point 955 °C (1,751 °F; 1,228 K)
Boiling point 1,320 °C (2,410 °F; 1,590 K)
soluble
Structure
trigonal
Related compounds
Related compounds
Ytterbium(III) iodide
Hazards
GHS labelling:
GHS08: Health hazard
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Dysprosium(III) iodide is a binary inorganic compound of dysprosium and iodine with the chemical formula DyI
3
.[1]

Synthesis

[edit]

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

2Dy + 3I → 2DyI3

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

2Dy + 3HgI2 → 2DyI3 + 3Hg

Physical properties

[edit]

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

[edit]

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

References

[edit]
  1. "dysprosium triiodide". NIST. Retrieved 5 April 2023.
  2. Macintyre, Jane E. (23 July 1992). Dictionary of Inorganic Compounds. CRC Press. p. 3117. ISBN 978-0-412-30120-9. Retrieved 5 April 2023.
  3. "Dysprosium(III) iodide, ultra dry, 99.99% (REO), Thermo Scientific Chemicals". fishersci.com. Retrieved 5 April 2023.
  4. Emsley, John (2003). Nature's Building Blocks: An A-Z Guide to the Elements. Oxford University Press. p. 131. ISBN 978-0-19-850340-8. Retrieved 5 April 2023.