Uranium Pentachloride

Uranium Pentachloride

Uranium Pentachloride – UCl5

Uranium (V) chloride

Formula as commonly written: UCl5
Hill system formula: Cl5U1
CAS registry number: [13470-21-8]
Formula weight: 415.292
Class: chloride


  • uranium (V) chloride
  • uranium chloride
  • uranium pentachloride

Physical properties

Color: brown
Appearance: crystalline solid
Melting point: 287°C
Boiling point: 527


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
Cl 42.68 -1 [Ne].3s2.3p6
U 57.32 5 [Rn].5f1


Not available

Isotope pattern

What follows is the calculated isotope pattern for the UCl5 unit with the most intense ion set to 100%.

Formula: U1Cl5

mass  %409   0.0 410   0.5 411   0.0 412   0.7 413  62.5 414   0.5 415 100.0 416   0.1 417  64.0418   0.0 419  20.4 420   0.0 421   3.3 422   0.0 423   0.2



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