Palladium on barium sulfate - Materials / Alfa Chemistry

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Palladium on barium sulfate

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Catalog Number

ACMA00003177

Product Name

Palladium on barium sulfate

Category

Fuel Cell Catalysts

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

Storage

Store at +15°C to +25°C.

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

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

UNII

5TWQ1V240M

Vapor Pressure

3.47 Pa (0.0260 mm Hg) at 1552 °C

MSDS

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COA

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Spec Sheet

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