Palladium single crystal, 9-10mm (0.35-0.39in) dia, 50mm (2.0in) long, (100) orientation, ±2°

• CAS: 7440-05-3
• Catalog Number: ACM7440053-3
• Category: Pure Element Single Crystals
• Molecular Weight: 106.4g/mol
• Molecular Formula: Pd
• Description: DryPowder, OtherSolid; OtherSolid; PelletsLargeCrystals, OtherSolid;Solid
• IUPAC Name: palladium
• 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: Gray
• Application: The Palladium single crystal, with its precise dimensions and (100) orientation, serves a critical role in various scientific and industrial applications. Similar to how platinum is utilized in laboratory equipment, such as thermocouples and electrodes, palladium single crystals are essential for research and development purposes, particularly in fields requiring high-precision materials. These crystals are used in studies of crystal growth and surface reactions, which are fundamental for advancing our understanding of catalytic processes and material science. Palladium's unique properties, akin to the platinum group metals, make it invaluable as a catalyst, and its usage extends to the enhancement of processes in the chemical industry, including hydrogenation reactions. Additionally, its stability and conductivity enable it to be implemented in electronic components and specialized devices aimed at controlling chemical reactions. The development and application of palladium single crystals are at the forefront of technological innovations, contributing significantly to advancements in material sciences and engineering.
• Color/Form: Silver-white, ductile metal;Steel white;Silver-white metal; cubic
• Complexity: 0
• Covalently-Bonded Unit Count: 1
• Decomposition: No decomposition. /from table/
• EC Number: 231-115-6
• Exact Mass: 105.90348g/mol
• Formal Charge: 0
• Hazard Statements: H228
• H-Bond Acceptor: 0
• H-Bond Donor: 0
• Heavy Atom Count: 1
• MDL Number: MFCD00011167
• 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
• Precautionary Statements: P210-P280-P240-P241-P370+P378
• Rotatable Bond Count: 0
• Signal Word: Danger
• True Density: 12.02 g/cm³
• UNII: 5TWQ1V240M
• UN Number: UN 3089 4.1 / PGII
• Vapor Pressure: 3.47 Pa (0.0260 mm Hg) at 1552 °C