Uranium Tetraiodide

Uranium Tetraiodide

Uranium Tetraiodide


International Bio-Analytical Industries, Inc. is the world’s leading manufacturer of specialty Uranium compounds and has now entered into full production of Uranyl Acetate, Uranyl Nitrate, Uranium Tetra Fluoride, Uranium Oxide and other fine specialty uranium compounds and reagents manufactured exclusively from depleted uranium.

Should you require further information and pricing regarding our fine specialty chemical compounds formulated from depleted uranium, please contact the IBI Labs manufacturing department by submitting the form below, or if you wish, Fax your request to: Fax (561) 892-8450

uranium (IV) iodide

  • Formula as commonly written: UI4
  • Hill system formula: I4U1
  • CAS registry number: [13470-22-9]
  • Formula weight: 745.647
  • Class: iodide


  • uranium (IV) iodide
  • uranium iodide
  • uranium tetraiodide

Physical properties

  • Colour: black
  • Appearance: crystalline solid
  • Melting point: 506°C (under I2 atmosphere)
  • Boiling point: 757
  • Density: 5.6 (15°C)


Coming soon…

Element analysis and oxidation numbers

For each compound, and where possible, a formal oxidation number for each element is given, but the usefulness of this number is limited, especially so for p-block elements in particular. Based upon that oxidation number, an electronic configuration is also given but note that for more exotic compounds you should view this as a guide only.

Element % Formal oxidation state Formal electronic configuration
I 68.08 -1 [Kr].4d10.5s2.5p6
U 31.92 4 [Rn].5f2


Not available

Solid state structure

  • Geometry of uranium: 6-coordinate: octahedral layered
  • Prototypical structure:

Isotope pattern

What follows is the calculated isotope pattern for the UI4 unit with the most intense ion set to 100%.

Formula: U1I4

mass  %
742   0.0 
743   0.7 
744   0.0 
745   0.0 
746 100.0


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