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13494-80-9
Te
5200GN
99.99%
4 mm approx.
236-813-4
Class 6.1
UN3288
PGIII
Characteristic
Tellurium is a chemical element with the symbol Te and atomic number 52. It is a brittle, mildly toxic, rare, silver-white metalloid.
Phase at STP：solid
Appearance：silvery lustrous gray (crystalline),
brown-black powder (amorphous)
Melting point：722.66 K (449.51 °C, 841.12 °F)
Boiling point：1261 K (988 °C, 1810 °F)
Density (near r.t.)：6.24 g/cm3
when liquid (at m.p.)：5.70 g/cm3
Heat of fusion：17.49 kJ/mol
Heat of vaporization：114.1 kJ/mol
Molar heat capacity：25.73 J/(mol·K)
Application
Commercially, the primary use of tellurium is copper (tellurium copper) and steel alloys, where it improves machinability. Applications in CdTe solar panels and cadmium telluride semiconductors also consume a considerable portion of tellurium production. Tellurium is considered a technology-critical element.
Characteristic
Tellurium is a chemical element with the symbol Te and atomic number 52. It is a brittle, mildly toxic, rare, silver-white metalloid.
Phase at STP：solid
Appearance：silvery lustrous gray (crystalline),
brown-black powder (amorphous)
Melting point：722.66 K (449.51 °C, 841.12 °F)
Boiling point：1261 K (988 °C, 1810 °F)
Density (near r.t.)：6.24 g/cm3
when liquid (at m.p.)：5.70 g/cm3
Heat of fusion：17.49 kJ/mol
Heat of vaporization：114.1 kJ/mol
Molar heat capacity：25.73 J/(mol·K)
Application
Commercially, the primary use of tellurium is copper (tellurium copper) and steel alloys, where it improves machinability. Applications in CdTe solar panels and cadmium telluride semiconductors also consume a considerable portion of tellurium production. Tellurium is considered a technology-critical element.
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