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Tellurium Metal (Te)-Powder

Tellurium Metal (Te)-Powder

CAS: 13494-80-9
Molecular Formula: Te
Purity: 99.9 %-99.999 %
Products Code: TR5200UN
Specification Model: - 200 mesh (76 mic aps).etc
Hazardous Class: Class 6.1
EINECS No.: 236-813-4
UN No.: UN3288
Package Class: PGIII
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Tellurium Metal (Te)-Powder introduce:

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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