Potassium tetrachloroplatinate
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| Potassium tetrachloroplatinate | |
|---|---|
| Image:K2PtCl4.png | |
| IUPAC name | Potassium tetrachloroplatinate(II) |
| Other names | Potassium tetrachloroplatinate Potassium Chloroplatinite |
| Identifiers | |
| CAS number | |
| Properties | |
| Molecular formula | Cl4K2Pt |
| Molar mass | 415.09 |
| Appearance | reddish solid |
| Density | 3.38 g/cm3 |
| Solubility in water | 0.93 g/100 mL (16 °C) 5.3/100 mL (100 °C) |
| Hazards | |
| Main hazards | allegenic |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references | |
Potassium tetrachloroplatinate is the chemical compound with the formula K2PtCl4. This reddish pink-colored salt is an important reagent for the preparation of other coordination complexes of platinum. It consists of potassium cations and the square planar dianion PtCl42-.
K2PtCl4 is prepared by reduction of K2PtCl6 with hydrazine.[1] K2PtCl6 is one of the salts that is most easily obtained from platinum ores. The complex is appreciably soluble only in water. Treatment with alcohols, especially in the presence of base, causes reduction to platinum metal. Conversion to organic salts, such as [PPN]2PtCl4 are soluble in chlorocarbons. [1]
The chloride ligands on PtCl42- are displaced by many other ligands to afford derivatives:
The anti-cancer drug Cisplatin can simlarly be prepared:[1]
- K2PtCl4 + 2 NH3 → cis-PtCl2(NH3)2 + 2 KCl
References
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
