Basic information for tellurium powder 4n 5n :

1.Purity:99.99%-99.999%

2.CAS NO.: 13494-80-9 

3.Main Application:  infrared detector materials, solar cell material, cooling material and so on.

Characteristics:

1. It's silvery white, lustrous, solid metal.

2. Soluble in sulfuric acid, nitric acid, potassium hydroxide and potassium cyanide solution.

3. Insoluble in water. Imparts garlic-like odor to breath, can be depilatory.

4. It is a p-type semiconductor and its conductivity is sensitive to light exposure.

 

Specification  Impurities in ppm    

Below specification for tellurium powder  5n for easy reference.

Te %	99.999 min
Cu	0.5
Ag	0.2
Mg	0.2
Ni	0.5
Zn	0.5
Bi	0.5
Mn	0.2
Ca	1.0
Fe	1.2
Cd	0.5
Cr	0.1
Si	1.0
Al	0.5
Se	2.0
Pb	0.5
Sn	0.2
Na	0.5
Total content of impurity	10max