Sodium hexachloroplatinate

Sodium hexachloroplatinate
Names
	Other names Sodium chloroplatinate; Disodium platinum hexachloride
Identifiers
CAS Number	16923-58-3 ;
3D model (JSmol)	Interactive image;
ChemSpider	9309311;
ECHA InfoCard	100.037.242
EC Number	240-983-5;
PubChem CID	11134193;
UNII	Q7589P090H ;
CompTox Dashboard (EPA)	DTXSID00893459 ;
	InChI Key: QGFSULIVEYGQQY-UHFFFAOYSA-H; InChI=1S/6ClH.2Na.Pt/h61H;;;/q;;;;;;2+1;+4/p-6;
	SMILES [Na+].[Na+].Cl[Pt-2](Cl)(Cl)(Cl)(Cl)Cl;
Properties
Chemical formula	Na2PtCl6
Molar mass	453.7742 g/mol (anhydrous); 561.86588 g/mol (hexahydrate)
Appearance	Orange crystalline solid
Density	2.5 g/cm3
Melting point	110 °C (230 °F; 383 K)
Solubility in water	Soluble
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H300, H301, H317, H318, H334
Precautionary statements	P261, P264, P270, P272, P280, P285, P301+P310, P302+P352, P304+P341, P305+P351+P338, P310, P321, P330, P333+P313, P342+P311, P363, P405, P501
Related compounds
Other anions	Sodium hexafluorophosphate; Sodium hexafluoroaluminate
Other cations	Potassium hexachloroplatinate; Ammonium hexachloroplatinate
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Sodium hexachloroplatinate(IV), the sodium salt of chloroplatinic acid, is an inorganic compound with the formula Na₂[PtCl₆], consisting of the sodium cation and the hexachloroplatinate anion. As explained by Cox and Peters, anhydrous sodium hexachloroplatinate, which is yellow, tends to form the orange hexahydrate upon storage in humid air. The latter can be dehydrated upon heating at 110 °C.

The compound is utilised as the most common chemical shift reference in platinum-195 NMR spectroscopy, relative to which the shifts of other platinum species in solution are reported.

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