Tellurium Dioxide (TeO2) CAS 7446-07-3: Comprehensive User Guide
Table of Contents
1. Tellurium Dioxide (TeO2) Overview
CAS Number: 7446-07-3
Molecular Formula: TeO2
Molecular Weight: 159.60 g/mol
Appearance: White crystalline powder
Density: 5.67 g/cm³
Melting Point: 732°C
Boiling Point: 1245°C
Solubility: Insoluble in water, soluble in strong acids and alkalis.
Technical Specifications Comparison
| Parameter | TeO2 (Standard Grade) | TeO2 (High-Purity Grade) | Competitor A |
|---|---|---|---|
| Purity | ≥99.5% | ≥99.99% | 99.3% |
| Particle Size | 1-10 μm | 0.1-2 μm | 5-15 μm |
| Applications | Optical glass, ceramics | Semiconductors, IR devices | General industrial |
2. Industrial and Scientific Applications
2.1 Optical Material Production
TeO2 is critical for manufacturing:
- Acousto-optic modulators for laser systems
- Infrared (IR) transmissive glass
- Non-linear optical crystals
2.2 Electronics Manufacturing
- Semiconductor doping agent
- Piezoelectric material in sensors
- Phase-change memory devices
3. Operational Use Cases
Case 1: Infrared Lens Production
Process Flow:
TeO2 powder (99.99%) → Vacuum melting (800°C) → Precision molding → Annealing → Polishing → IR lens assembly.
Case 2: Semiconductor Fabrication
Implementation:
Used as dopant in tellurium-based chalcogenide semiconductors for photovoltaic cells, achieving 18.7% conversion efficiency.
4. Verified Client Implementations
| Client | Industry | Application | Results |
|---|---|---|---|
| ABC Optics Co., Ltd. | Defense | Night vision device lenses | +22% IR transmission efficiency |
| XYZ Electronics | Semiconductors | Memory chip production | 15% faster write cycles |
5. Contact Our Material Experts
Request technical specifications sheets or bulk pricing:
info@vivalr.com
(86) 15866781826
Custom particle sizes (nanoscale to 50μm) and purity grades (99.5%-99.999%) available.
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