Loading AI tools
Chemical compound From Wikipedia, the free encyclopedia
Uranium(IV) iodide, also known as uranium tetraiodide, is an inorganic chemical compound. It is a salt of uranium in oxidation state +4 and iodine.
![]() | |
Identifiers | |
---|---|
3D model (JSmol) |
|
ChemSpider | |
ECHA InfoCard | 100.033.381 |
EC Number |
|
PubChem CID |
|
CompTox Dashboard (EPA) |
|
| |
| |
Properties | |
UI4 | |
Molar mass | 745.647 g/mol |
Appearance | black hygroscopic crystals |
Structure[1] | |
monoclinic | |
C2/c, No. 15 | |
a = 1396.7 pm, b = 847.2 pm, c = 751 pm α = 90°, β = 90.54°, γ = 90° | |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards |
Radioactive |
GHS labelling: | |
![]() ![]() ![]() | |
Danger | |
H300, H330, H373, H411 | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|
Uranium tetraiodide can be prepared from the reaction between uranium and an excess of iodine.[2]
Uranium tetraiodide is a black solid and forms needle-like crystals. Upon heating, it dissociates into uranium triiodide and iodine gas.[2] It crystallizes in the monoclinic crystal system, space group C2/c.[1]
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.