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Formula: Te
Form: Pellets
Material: Tellurium
CAS Number: 13494-80-9
Commodity: Metals
Maximum Lump Size:
25mm
Type:
Broken
Hazard Pictogram:
GHS06,GHS08
Tellurium Pellets Ingot from Goodfellow is a pure form of tellurium supplied as pellets. Its properties include a silvery-white metallic lustre and high electrical conductivity. Applications of tellurium include use in thermoelectric devices, where it improves efficiency, and as an additive to steel and copper alloys to enhance machinability. Goodfellow offers a range of tellurium in pellet form with purities from 99.95 to 99.999 percent to meet needs across research and manufacturing.
Acute toxicity
Serious health hazard
Tolerances
Pellets
| Maximum Lump Size | Nominal |
|---|
Material Properties for Metals
Atomic Properties
| Element | Value |
|---|---|
| Atomic number | 52 |
| Crystal structure | Hexagonal |
| Electronic structure | Kr 4d¹⁰ 5s² 5p⁴ |
| Valences shown | 2,4,6 |
| Atomic weight( amu ) | 127.6 |
| Thermal neutron absorption cross-section( Barns ) | 4.7 |
| Photo-electric work function( eV ) | 4.8 |
| Natural isotope distribution( Mass No./% ) | 124/ 4.6 |
| Natural isotope distribution( Mass No./% ) | 125/ 7.0 |
| Natural isotope distribution( Mass No./% ) | 123/ 0.9 |
| Natural isotope distribution( Mass No./% ) | 126/ 18.7 |
| Natural isotope distribution( Mass No./% ) | 120/ 0.1 |
| Natural isotope distribution( Mass No./% ) | 128/ 31.7 |
| Natural isotope distribution( Mass No./% ) | 122/ 2.5 |
| Natural isotope distribution( Mass No./% ) | 130/ 34.5 |
| Atomic radius - Goldschmidt( nm ) | 0.143 |
| Ionisation potential( No./eV ) | 3/ 28.0 |
| Ionisation potential( No./eV ) | 4/ 37.4 |
| Ionisation potential( No./eV ) | 1/ 9.01 |
| Ionisation potential( No./eV ) | 6/ 70.7 |
| Ionisation potential( No./eV ) | 5/ 58.8 |
| Ionisation potential( No./eV ) | 2/ 18.6 |
Mechanical Properties
| Element | Value |
|---|---|
| Hardness - Mohs | 2.3 |
| Material condition | Polycrystalline |
| Poisson's ratio | 0.16-0.3 |
| Bulk modulus( GPa ) | 31.4 |
| Tensile modulus( GPa ) | 47.1 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 1.6x10⁵@0@0°C |
Physical Properties
| Element | Value |
|---|---|
| Boiling point( C ) | 990 |
| Density( gcm⁻³ ) | 6.25@20°C |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 450 |
| Latent heat of evaporation( J g⁻¹ ) | 820 |
| Latent heat of fusion( J g⁻¹ ) | 138 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 201@25°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 3.3@0-100°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 16.75@0-100°C |