Tellurium Dioxide

Tellurium Dioxide is a solid oxide of tellurium, which is pure white color with purity of 99.99%. 99.9% Tellurium Dioxide is little yellowish powder compared with 99.99% Tellurium Dioxide due to the higher content of heavy metals content. High purity 99.99% Tellurium Dioxide with low heavy metal contents and non existing acid ions, so that it does not corrode metals and can increase product durability.

Tellurium Dioxide, tellurium oxide
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Molecular Formula: TeO2
CAS No.: 7446-7-3
EINECS No.: 231-193-1
Purity: 99.99%, 99.999%
Size: D50 10μm-13μm
Melting Point: 733°C
Boiling Point: 1245°C
Delivery Time: 1-15days

Supply Capacity: 2MT per month


● front-side sliver paste.
● chemical electroplating.
● 5N-single crystal.
● fiber optics.


● Non existing acid ions, so that it will not corrode metals and can increase product durability.Each contents of Cu, Fe, Pb, Cd, Ni, As, is less than 5ppm by wt to the 99.99% grade.
● Strict quality control for procedures of raw material, process control and pre-delivery.
● ISO9001 and ISO14001 certificated manufacturer.
● Great technical capability to be a valued and long-term supplier.
● Technical support: 24 hours technical support by e-mail or calling.