Nomenclature
CAS number: 16923-58-3
Disodium hexachloroplatinate(2); sodium platinichloride; sodium chloroplatinate.
Cl
6Na
2Pt; mol wt 453.78.
Cl 46.88%, Na 10.13%, Pt 42.99%.
Na
2[PtCl
6].
Description and references
Prepn: Grube in Handbook
of Preparative Inorganic Chemistry vol. 2, G.
Brauer, Ed. (Academic Press, New York, 2nd ed., 1965) pp 1571-1572;
Cox, Peters, Inorg. Synth. 13, 173 (1971).
Properties
Yellow, hygroscopic crystals. Easily forms hexahydrate
at 25° and relative humidity >50% (reconverted to anhydr salt by
heat at 110° for one hour). uv max (1 formal
HCl): 262 nm (ε 24500). Sol in water, alcohol.Use
Catalyst.