Potassium tetrachloroplatinate

Potassium tetrachloroplatinate is a chemical compound. It is the potassium salt of the tetrachloroplatinate anion, with chemical formula K2PtCl4. This compound is mostly made as a ingredient to make the anticancer drug cisplatin.

Preparation

Potassium tetrachloroplatinate can be made by reduction of potassium hexachloroplatinate with a solution of hydrazine in hydrochloric acid,[1] or sulfur dioxide in water:[2]

2 K2PtCl6 + N2H4 → 2 K2PtCl4 + N2 + 4 HCl
K2PtCl6 + SO2 + 2 H2O → K2PtCl4 + H2SO4 + 2 HCl

References

  1. ↑ Kauffman, George B.; Cowan, Dwaine O.; Slusarczuk, George; Kirschner, Stanley (1963). "cis - and trans -Dichlorodiammineplatinum(II)". Inorganic Syntheses. Vol. 7. pp. 239–245. doi:10.1002/9780470132388.ch63.
  2. ↑ Keller, R. N.; Moeller, Therald; Quagliano, J. V. (1946). "Potassium Tetrachloroplatinate(II): (Potassium Chloroplatinite)". Inorganic Syntheses. Vol. 2. pp. 247–250. doi:10.1002/9780470132333.ch79.


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