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Formula: Cd
Form: Wire
Material: Cadmium
CAS Number: 7440-43-9
Commodity: Metals
Hazard Pictogram: GHS06, GHS08, GHS09
Cadmium Spooled Wire is a conductive metal filament offered in Goodfellow's extensive range of wires and rods. With 113 diameter variations, this malleable and ductile wire has numerous applications including as an electrode material, in nuclear reactors to control neutron flux, and in specialist solders. Its low melting point and resistance to corrosion by alkaline solutions make cadmium an important engineering material for industrial components operating in demanding conditions.
Technical Data Sheet Safety Data Sheet Tolerance Properties

Acute toxicity

Serious health hazard

Hazardous to the environment

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Tolerances

Wire
Diameter ±10%
Length +5% / -1%

Material Properties for Metals

Atomic Properties
Element Value
Atomic number 48
Crystal structure Hexagonal close packed
Electronic structure Kr 4d¹⁰ 5s²
Valences shown 2
Atomic weight( amu ) 112.41
Thermal neutron absorption cross-section( Barns ) 2450
Photo-electric work function( eV ) 4
Natural isotope distribution( Mass No./% ) 106/ 1.2
Natural isotope distribution( Mass No./% ) 108/ 0.9
Natural isotope distribution( Mass No./% ) 11112.8
Natural isotope distribution( Mass No./% ) 112/ 24.0
Natural isotope distribution( Mass No./% ) 113/ 12.3
Natural isotope distribution( Mass No./% ) 116/ 7.6
Natural isotope distribution( Mass No./% ) 110/ 12.4
Natural isotope distribution( Mass No./% ) 114/ 28.8
Atomic radius - Goldschmidt( nm ) 0.152
Ionisation potential( No./eV ) 2/ 16.9
Ionisation potential( No./eV ) 3/ 37.5
Ionisation potential( No./eV ) 1/ 8.99
Mechanical Properties
Element Value
Hardness - Mohs -
Hardness - Mohs 2
Material condition Polycrystalline
Material condition Cast
Poisson's ratio 0.3
Poisson's ratio 0.3
Bulk modulus( GPa ) 51
Bulk modulus( GPa ) 51
Tensile modulus( GPa ) 62.6
Tensile modulus( GPa ) 62.6
Tensile strength( MPa ) -
Tensile strength( MPa ) 71
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 7.3@20@20°C
Superconductivity critical temperature( K ) 0.517
Temperature coefficient( K⁻¹ ) 0.0043@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV ) 0.91
Physical Properties
Element Value
Boiling point( C ) 765
Density( gcm⁻³ ) 8.64@20°C
Thermal Properties
Element Value
Melting point( C ) 321
Latent heat of evaporation( J g⁻¹ ) 886
Latent heat of fusion( J g⁻¹ ) 57
Specific heat( J K⁻¹ kg⁻¹ ) 232@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 96.9@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 31@0-100°C

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