CAS 7440-05-3 Palladium single crystal, 9-10mm (0.35-0.39in) dia, 50mm (2.0in) long, (111) orientation, ±2°

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Palladium single crystal, 9-10mm (0.35-0.39in) dia, 50mm (2.0in) long, (111) orientation, ±2°

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Catalog Number

ACM7440053-5

CAS Number

7440-05-3

Product Name

Palladium single crystal, 9-10mm (0.35-0.39in) dia, 50mm (2.0in) long, (111) orientation, ±2°

Category

Single Crystals; Nanopowders

Synonyms

Palladium nano-stars, palladium nano stars, PdNSs

Description

DryPowder, OtherSolid; OtherSolid; PelletsLargeCrystals, OtherSolid;Solid

IUPAC Name

palladium

Molecular Weight

106.4g/mol

Molecular Formula

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

Appearance

Liquid dispersion

Application

The palladium single crystal, with dimensions of 9-10mm in diameter and 50mm in length, featuring a (111) orientation within a precision of ±2°, serves as a critical component in various scientific and industrial applications. Like its fellow noble metal, platinum, palladium is valued for its distinct physical and chemical properties. The precise orientation of the palladium crystal is crucial for enhancing its performance in roles such as catalysis, materials science research, and various high-tech manufacturing processes. These applications take advantage of palladium's inherent stability and conductivity, which are similar to those of platinum. Palladium's utility extends to fields ranging from electronics to hydrogen storage, making it an indispensable element for advancing technology and scientific understanding.

Color/Form

Silver-white, ductile metal;Steel white;Silver-white metal; cubic

Complexity

Covalently-Bonded Unit Count

EC Number

231-115-6

Exact Mass

105.90348g/mol

Formal Charge

Heavy Atom Count

MDL Number

MFCD00011167

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

True Density

12.02 g/cm³

UNII

5TWQ1V240M

Vapor Pressure

3.47 Pa (0.0260 mm Hg) at 1552 °C

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