NAVIGATION


Palladium single crystal, 9-10mm (0.35-0.39in) dia, 50mm (2.0in) long, random orientation

Catalog NumberACM7440053-2

CAS Number7440-05-3

CategorySingle Crystals; Nanopowders

Palladium single crystal, 9-10mm (0.35-0.39in) dia, 50mm (2.0in) long, random orientation
Description
DryPowder, OtherSolid; OtherSolid; PelletsLargeCrystals, OtherSolid;Solid
IUPAC Name
palladium
Molecular Weight
106.4g/mol
Molecular Formula
Pd
Canonical SMILES
[Pd]
InChI
InChI=1S/Pd
InChI Key
KDLHZDBZIXYQEI-UHFFFAOYSA-N
Boiling Point
2963 °C
Melting Point
1554.9 °C;1554.9°C
Density
12.02 g/cu cm
Solubility
Soluble in aqua regia and fused alkalies; insoluble in organic acids
Application
The purpose of the Palladium single crystal, measuring 9-10mm in diameter and 50mm in length with a random orientation, is to serve as a high-purity material essential for various scientific and industrial applications. Palladium, closely related to platinum within the platinum group metals, shares its utility in advanced fields such as catalysis, electronics, and materials science. Its unique crystalline structure makes it valuable for research and development in these areas, where precise control over material properties is crucial. The Palladium single crystal is particularly employed in the study of surface reactions, electronic behavior, and as a component in specialized devices, similar to how platinum is used in laboratory apparatus, thermocouples, and electrodes. Palladium's role, like that of platinum, extends to serving as a catalyst and in creating alloys with specific properties for various technological advancements.
Color/Form
Silver-white, ductile metal;Steel white;Silver-white metal; cubic
Complexity
0
Covalently-Bonded Unit Count
1
EC Number
231-115-6
Exact Mass
105.90348g/mol
Formal Charge
0
Heavy Atom Count
1
MeSH Entry Terms
Palladium
Monoisotopic Mass
105.90348g/mol
Other Experimental
Palladium is the lightest of the platinum group and very malleable and ductile when pure. It resists oxidation at ordinary temperatures. It absorbs a considerable amount of hydrogen gas. It is appreciably volatile at high temperatures. At red heat it is converted to the oxide.;Stable isotopes: (102)Pd, 1.02%; (1.4)Pd, 11.14%; (105)Pd, 22.23%; (106)Pd, 27.33%; (108)Pd, 26.46%; (110)Pd, 11.72%;Usual valency, 2,4; ionic radius, 65 pm, crystal structure, face-centered cubic; lattice constant, 389 pm; reflectance, 54%; thermal expansion, 11.11X10+6 °C-1; magnetic susceptibility, 5.23X10-6 cu cm/g; work function, 4.99 eV; Young's modulus, 1.24X10+8 kN/sq m; ultimate tensile strength, 180-200 MPa; Poisson's ratio, 0.39; Vicker's hardness, 40; temperature coefficient of resistance 3.8X10-3 K-1; electrical resistivity at 0 °C, 9.93 microohm-cm; thermal conductivity, 75 W/m K;Palladium is stable in air, even at elevated temperatures; shows no corrosion or tarnishing in hydrogen sulfide atmospheres.;Enthalpy of formation at 298.15 K: 378.2 kJ/mol (gas); molar heat capacity at 298.15 K: 26.0 J/mol K (crystal), 20.8 J/mol K (gas);Enthalpy of fusion: 16.74 kJ/mol at 1554.9 °C
Rotatable Bond Count
0
UNII
5TWQ1V240M
Vapor Pressure
3.47 Pa (0.0260 mm Hg) at 1552 °C
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