Gadolinium: gadolinium trichloride hexahydrate

gadolinium trichloride hexahydrate is known by the following synonyms:

  • gadolinium trichloride hexahydrate
  • gadolinium(III) chloride 6-water
  • gadolinium chloride 6-water

The oxidation number of gadolinium in gadolinium trichloride hexahydrate is 3.

  • Formula: GdCl3.6H2O
  • Hill system formula: Cl3Gd1H12O6
  • CAS registry number: [19423-81-5]
  • Formula weight: 371.7
  • Class: complex
  • Colour: white
  • Appearance: crystalline solid
  • Melting point:
  • Boiling point:
  • Density: 2400 kg m-3


Not available

Element analysis

Element percentages in gadolinium trichloride hexahydrate
Element %
Cl 28.61
Gd 42.31
H 3.25
O 25.83

Isotope pattern for GdCl3.6H2O

THe chart below shows the calculated isotope pattern for the formula GdCl3.6H2O with the most intense ion set to 100%.


Coming soon...


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 chemistry shop

You can buy periodic table posters, mugs, T-shirts, periodic table fridge magnets, games, molecular models, and more at the WebElements periodic table shop