Europium compounds: europium dichloride hexahydrate

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The europium in europium dichloride hexahydrate formally is in the oxidation state 2.

Europium dichloride hexahydrate

  • Formula as often written: EuCl2.6H2O
  • Hill system formula: Cl2Eu1H12O6
  • CAS registry number: [13759-92-7]
  • Formula weight: 330.961
  • Class: chloride


  • europium dichloride hexahydrate
  • europium(II) chloride 6-water
  • europium chloride 6-water

Physical properties

  • Colour: pale yellow
  • Appearance: crystalline solid
  • Melting point:
  • Boiling point:
  • Density: 4890 kg m-3


Coming soon...

Element analysis

Element percentages for the elements in europium dichloride hexahydrate
Element %
Cl 21.42
Eu 45.92
H 3.65
O 29.01


Not available

Isotope pattern

What follows is the calculated isotope pattern for the EuCl2.6H2O unit with the most intense ion set to 100%.

Formula: Eu1Cl2H12O6

mass  %
329  57.4 _____________________________
330 0.2
331 100.0 __________________________________________________
332 0.4
333 47.1 ________________________
334 0.2
335 7.0 ____
336 0.0
337 0.1


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.

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europium atomic number