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Tantalum Oxide Powder typically...
HTTa0006
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Tantalum Oxide Powder typically denotes tantalum pentoxide, a white, colorless crystalline powder. It represents the most prevalent tantalum oxide and is the end product of tantalum combustion in air. Heeger Materials provides premium Tantalum Oxide Powder of exceptional quality and competitive pricing, with customizable particle sizes.
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Availability date: 03/01/2013
| Particle Size | 20 mesh to 500 mesh/Customized |
| Molecular Weight | Ta2O5 |
| Purity | 99.9%, 99.99%, 99.999% |
| CAS | 1314-61-0 |
Tantalum Oxide (Ta2O5) Powder, also referred to as Ditantalum Pentaoxide, Tantalum Oxide Dust, and Tantalum Pentaoxide, is insoluble in water and acids (except hydrofluoric acid), and exhibits chemical similarities with niobium oxide. It is primarily utilized in the growth of lithium tantalate single crystals and the production of specialized optical glass characterized by high refractivity and low dispersion. Furthermore, it can also function as a catalyst.

Tantalum Oxide Powder | Tantalum Pentoxide | Ta2O5 | CAS 1314-61-0 belongs to the tantalum products range and is selected for corrosion resistance, biocompatibility and high-temperature stability. It is commonly used in formulation, sintering, coating, filler, catalyst, electronic material and research use as well as chemical processing, medical devices, electronics, vacuum systems and high-temperature components. When requesting a quote, confirm purity, particle size distribution, morphology, surface treatment, packaging and quantity.
For material comparison or adjacent product forms, browse tantalum plates, tantalum wire, refractory metals and tantalum products.
Can Tantalum Oxide Powder | Tantalum Pentoxide | Ta2O5 | CAS 1314-61-0 be customized? Yes. Heeger Materials can review custom sizes, purity or grade requirements, tolerances, drawings, quantities and application conditions for this product.
Item No. | Particle Size (FSSS) | Purity (Impurities in Oxides) |
HTTa0006-3N | 0.5~2 µm | Ta2O5 > 99.9% (metals basis), Nb < 0.005%, Fe < 0.005%, Si < 0.002% Ti < 0.002%, Ni < 0.002%, W < 0.003% |
HTTa0006-4N | 1~3 µm | Ta2O5 > 99.99% (metals basis), Nb < 10 ppm, Fe < 10 ppm, Si < 10 ppm Ti < 3 ppm, Ni < 3 ppm, W < 5 ppm |
HTTa0006-5N | 1~3 µm | Ta2O5 > 99.999% (metals basis), Nb < 2 ppm, Fe < 3 ppm, Si < 3 ppm Ti < 1 ppm, Ni < 1 ppm, W < 2 ppm |
We can provide Ultra High-Purity Tantalum Oxide Powder (purity >/= 99.999%). Please refer to the specific specifications.

Tantalum Oxide (Ta2O5) Powder should be stored in a sealed container in a dry and cool place, and should not be exposed to air for an extended time. HM offers vacuum-sealed packaging including 100g/bag, 500g/bag, 1kg/bag, and 25kg/drum, or customized packaging as per specific requirements.

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