Platinum compounds: potassium trichloro(ethene)platinate

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The platinum in potassium trichloro(ethene)platinate formally is in the oxidation state 2.

Potassium trichloro(ethene)platinate

  • Formula as often written: K[PtCl3(C2H4)].H2O
  • Hill system formula: C2Cl3H6K1O1Pt1
  • CAS registry number: [12012-50-9]
  • Formula weight: 386.603
  • Class: complex organometallic


  • potassium trichloro(ethene)platinate
  • potassium trichloro(ethylene)platinate(II)
  • Zeise's salt
  • potassium trichloro(ethene)platinate(II)

Physical properties

  • Colour:
  • Appearance: crystalline solid
  • Melting point: 220°C (decomposes)
  • Boiling point:
  • Density:


Coming soon...

Element analysis

Element percentages for the elements in potassium trichloro(ethene)platinate
Element %
C 6.21
Cl 27.51
H 1.56
K 10.11
O 4.14
Pt 50.46


Not available

Isotope pattern

What follows is the calculated isotope pattern for the K[PtCl3(C2H4)].H2O unit with the most intense ion set to 100%.


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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