Solid phase
Official name
Potassium hexachloroplatinate
Secondary names
Dipotassium hexachloroplatinate; Potassium platinic chloride; Dipotassium hexachloroplatinate(IV); Platinum potassium chloride
CAS number
16921-30-5
Type
Family
ionic solid
Class
normal salt
Compound type
chloride
Chemical composition
Formula
$K^+_2 \cdot (PtCl_6)^{2-}$
Chemical formula
K2PtCl6
Elemental formula
(K+)2 Pt Cl6
Isotope mixture type
terrestrial abundance
6.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$K^+$ Potassium(1+) cation element 2 0.6666666666666666 1 constituent cation main
$[PtCl_6]^{2-}$ Hexachloroplatinate ion molecule 1 0.3333333333333333 1 molecular ion main
Chemical bonds
  Bond Number
$K^+ \cdot Cl^-$ 2
$-Pt-Cl$ 6
Class
normal salts (07)
Type
simple normal salts (07.01)
Phase type
crystalline
Molar mass
485.99 $g/mol$
Density
3.344 $g/cm^3$
State NTP
solid
Phase transitions
Phase transition type Other phases Temperature - Pressure
solid-liquid decomposition liquid 250°C (523 K) @1 bar
Pure color
yellow
Color
orange to yellow
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