Palladium(II) chloride

Palladium(II) chloride
Names
	Other names Palladium dichloride, Palladous chloride
Identifiers
CAS Number	7647-10-1 ;
3D model (JSmol)	monomer: Interactive image; hexamer: Interactive image;
ChemSpider	22710;
ECHA InfoCard	100.028.724
EC Number	231-596-2;
PubChem CID	24290;
RTECS number	RT3500000;
UNII	N9214IR8N7 ;
CompTox Dashboard (EPA)	DTXSID4025824 ;
	InChI InChI=1S/2ClH.Pd/h2*1H;/q;;+2/p-2 Key: PIBWKRNGBLPSSY-UHFFFAOYSA-L;
	SMILES monomer: Cl[Pd]Cl; hexamer: [Cl+]0[Pd-2]12[Cl+][Pd-2]34[Cl+][Pd-2]05[Cl+][Pd-2]6([Cl+]1)[Cl+][Pd-2]([Cl+]2)([Cl+]3)[Cl+][Pd-2]([Cl+]4)([Cl+]5)[Cl+]6;
Properties
Chemical formula	PdCl2
Molar mass	177.326 g/mol (anhydrous) ; 213.357 g/mol (dihydrate)
Appearance	dark red solid ; hygroscopic (anhydrous) ; dark brown crystals (dihydrate)
Density	4.0 g/cm3
Melting point	679 °C (1,254 °F; 952 K) (decomposes)
Solubility in water	soluble in trace amounts, better solubility in cold water
Solubility	soluble in organic solvents ; dissolves rapidly in HCl
Magnetic susceptibility (χ)	−38.0×10−6 cm3/mol
Structure
Crystal structure	rhombohedral
Coordination geometry	square planar
Hazards
Flash point	Non-flammable
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	2704 mg/kg (rat, oral)
Related compounds
Other anions	Palladium(II) fluoride; Palladium(II) bromide; Palladium(II) iodide
Other cations	Nickel(II) chloride; Platinum(II) chloride; Platinum(II,IV) chloride; Platinum(IV) chloride
	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

Palladium(II) chloride, also known as palladium dichloride and palladous chloride, are the chemical compounds with the formula PdCl₂. PdCl₂ is a common starting material in palladium chemistry – palladium-based catalysts are of particular value in organic synthesis. It is prepared by the reaction of chlorine with palladium metal at high temperatures.

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