Potassium tetrachloroplatinate
Potassium tetrachloroplatinate(II) is the chemical compound with the formula K2PtCl4. This reddish orange 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−. Related salts are also known including Na2PtCl4, which is brown-colored and soluble in alcohols, and quaternary ammonium salts, which are soluble in a broader range of organic solvents.
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IUPAC name
Potassium tetrachloridoplatinate(2–) | |
Other names
Potassium chloroplatinite | |
Identifiers | |
3D model (JSmol) |
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ChemSpider | |
ECHA InfoCard | 100.030.034 |
EC Number |
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PubChem CID |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
K2PtCl4 | |
Molar mass | 415.09 g/mol |
Appearance | reddish solid |
Density | 3.38 g/cm3 |
Melting point | 265 °C (509 °F; 538 K) |
0.93 g/100 mL (16 °C) 5.3 g/100 mL (100 °C) | |
Hazards | |
GHS labelling: | |
Danger | |
H301, H315, H317, H318, H334 | |
P261, P264, P270, P272, P280, P285, P301+P310, P302+P352, P304+P341, P305+P351+P338, P310, P321, P330, P332+P313, P333+P313, P342+P311, P362, P363, P405, P501 | |
NFPA 704 (fire diamond) | |
Flash point | Nonflammable |
Related compounds | |
Other anions |
Potassium hexachloroplatinate |
Other cations |
Sodium chloroplatinate |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references |
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