Uranium compounds: uranium tetrachloride

uranium symbol icon

The uranium in uranium tetrachloride formally is in the oxidation state 4.

Crystal structure of uranium tetrachloride

Uranium tetrachloride

  • Formula as often written: UCl4
  • Hill system formula: Cl4U1
  • CAS registry number: [10026-10-5]
  • Formula weight: 379.84
  • Class: chloride


  • uranium tetrachloride
  • uranium(IV) chloride
  • uranium chloride

Physical properties

  • Colour: green
  • Appearance: crystalline solid
  • Melting point: 590°C
  • Boiling point: 791°C
  • Density: 4720 kg m-3


Coming soon...

Element analysis

Element percentages for the elements in uranium tetrachloride
Element %
Cl 37.33
U 62.67


Not available

Solid state structure

  • Geometry of uranium: 8 coordinate: dodecahedral
  • Prototypical structure:

Crystal structure of uranium tetrachloride

Isotope pattern

What follows is the calculated isotope pattern for the UCl4 unit with the most intense ion set to 100%.

Formula: U1Cl4

mass  %
374   0.0 
375 0.6
376 0.0
377 0.7
378 78.2 _______________________________________
379 0.4
380 100.0 __________________________________________________
381 0.1
382 48.0 ________________________
383 0.0
384 10.2 _____
385 0.0
386 0.8


The data on these compounds pages are assembled and adapted from the primary literature and several other sources including the following.

  • R.T. Sanderson in Chemical Periodicity, Reinhold, New York, USA, 1960.
  • N.N. Greenwood and A. Earnshaw in Chemistry of the Elements, 2nd edition, Butterworth, UK, 1997.
  • F.A. Cotton, G. Wilkinson, C.A. Murillo, and M. Bochmann, in Advanced Inorganic Chemistry, John Wiley & Sons, 1999.
  • A.F. Trotman-Dickenson, (ed.) in Comprehensive Inorganic Chemistry, Pergamon, Oxford, UK, 1973.
  • R.W.G. Wyckoff, in Crystal Structures, volume 1, Interscience, John Wiley & Sons, 1963.
  • A.R.West in Basic solid state chemistry Chemistry, John Wiley & Sons, 1999.
  • A.F. Wells in Structural inorganic chemistry, 4th edition, Oxford, UK, 1975.
  • J.D.H. Donnay, (ed.) in Crystal data determinative tables, ACA monograph number 5, American Crystallographic Association, USA, 1963.
  • D.R. Lide, (ed.) in Chemical Rubber Company handbook of chemistry and physics, CRC Press, Boca Raton, Florida, USA, 77th edition, 1996.
  • J.W. Mellor in A comprehensive treatise on inorganic and theoretical chemistry, volumes 1-16, Longmans, London, UK, 1922-1937.
  • J.E. Macintyre (ed.) in Dictionary of inorganic compounds, volumes 1-3, Chapman & Hall, London, UK, 1992.

WebElements Shop

WebElements now has a WebElements shop at which you can buy periodic table posters, mugs, T-shirts, games, fridge magnets, molecular models, and more.

Periodic Table fridge magnets Periodic Table fridge magnets
Buy our periodic table fridge magnets here

WebElements poster Periodic table t-shirts Periodic table mouse mats Molymod molecular model kits Chemistry educational resources

uranium atomic number