Description

Tellurium Dioxide is a high-purity inorganic compound essential for advanced material synthesis and specialized chemical processes. Its unique properties make it a critical precursor in the production of semiconductors, optical glasses, and thermoelectric materials. This product is primarily utilized by manufacturers and research institutions in the electronics, ceramics, and specialty chemical industries seeking reliable, high-quality inorganic reagents.

Application

• Semiconductor Manufacturing: As a dopant or precursor material in the fabrication of specific compound semiconductors.
• Optical Glass Production: Used to introduce tellurium into glass formulations to modify refractive index and infrared transmission properties.
• Thermoelectric Materials: A key starting material in the synthesis of bismuth telluride and other high-performance thermoelectric compounds.
• Catalyst Synthesis: Serves as a catalyst or catalyst component in selective oxidation and petrochemical reactions.
• Ceramic & Pigment Industry: Imparts specific colors and electrical properties in advanced ceramics and specialty pigments.
• Research & Development: A vital reagent in academic and industrial R&D for exploring new materials and chemical processes.

Basic Information

Product Name	Tellurium Dioxide
CAS No.	59863-17-1
Molecular Formula	TeO2
Molecular Weight	159.60 g/mol
Synonyms	Tellurium(IV) oxide; Tellurous anhydride; Tellurium oxide (TeO2); Paratellurite; Tellurium dioxide (TeO2); Tellurium(IV) dioxide; Tellurium oxide
EINECS	Contact for details

Quality Control

Our Tellurium Dioxide is produced and tested under a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed against rigorous specifications, with comprehensive Certificates of Analysis (COA) provided to guarantee compliance with your application requirements. We adhere to relevant industry standards for high-purity inorganic chemicals.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong reducing agents. The container should be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (TeO2)	≥ 99.0%
Chloride (Cl)	≤ 0.01%
Sulfate (SO4)	≤ 0.02%
Heavy Metals (as Pb)	≤ 0.001%
Iron (Fe)	≤ 0.005%
Loss on Drying	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.