CAS · 1314-61-0
Product Overview
Tantalum(V) oxide is a high-purity catalysts-auxiliary-agent supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.
Product Specifications
| Purity: | 99.9% min |
|---|---|
| Particle size (D50): | 1.5 µm max |
| Particle size (D90): | 5 µm max |
| BET: | 2–5 m²/g |
| Sn: | 20 ppm max |
| Pb: | 20 ppm max |
| Cu: | 20 ppm max |
| Ca: | 20 ppm max |
| Zn: | 20 ppm max |
| Fe: | 20 ppm max |
| Ni: | 20 ppm max |
| Bi: | 20 ppm max |
| Al: | 20 ppm max |
| Cd: | 20 ppm max |
| Co: | 20 ppm max |
| Cr: | 20 ppm max |
| Mn: | 20 ppm max |
| Mo: | 20 ppm max |
| Si: | 20 ppm max |
| Ti: | 50 ppm max |
| W: | 20 ppm max |
| As: | 50 ppm max |
| Na: | 100 ppm max |
| Ag: | 30 ppm max |
Applications
Tantalum(V) oxide is a widely used advanced inorganic material valued in the electronics, optics, chemical, and materials industries. It is a key dielectric material in capacitors, especially high-performance tantalum capacitors used in smartphones, computers, telecommunications devices, automotive electronics, and aerospace systems due to its excellent charge storage capabilities. In optical applications, it serves as a high-refractive-index component in thin-film coatings for lenses, laser systems, filters, and antireflective layers. Tantalum(V) oxide is also utilized in producing specialized glass formulations, catalysts, corrosion-resistant coatings, and high-temperature ceramics. In semiconductor fabrication, it functions as a high-k dielectric layer, diffusion barrier, and insulating material for advanced microelectronics. Research laboratories employ it in photocatalysis, electrochemical devices, sensors, and emerging energy technologies such as solid-state batteries and fuel cells.
Benefits
The major benefits of tantalum(V) oxide stem from its exceptional dielectric properties, chemical inertia, thermal stability, and optical performance. It exhibits a very high dielectric constant and low leakage characteristics, enabling the production of miniaturized yet high-capacity capacitors with long service life and reliable performance under demanding conditions. Its chemical and thermal resistance make it highly durable in corrosive or high-temperature environments, extending the lifespan of electronic and industrial components. As an optical material, its high refractive index and excellent transparency across a wide spectral range allow precise control of optical behavior in multilayer coatings. In catalytic and energy-related applications, its stability, tunable electronic properties, and compatibility with various supports enhance catalytic efficiency and device robustness. These combined advantages make tantalum(V) oxide a high-value material for cutting-edge technologies.
Conclusion
Tantalum(V) oxide stands out as a critical material across electronics, optics, and advanced material science due to its superior dielectric performance, robustness, and versatile functionality. Its integration into capacitors, coatings, semiconductors, and catalytic systems highlights its broad technological importance. With increasing demand for high-efficiency, miniaturized, and durable components, tantalum(V) oxide continues to play a central role in modern and emerging high-performance applications.
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