Tantalum Oxide
Product Tantalum Oxide Powder (Ta2O5)
Part Number TRM-TA022
Purity Ta2O5 99.9%~99.995% min (Excluding Nb F and L.O.I)
Particle Size -60 Mesh
Density 8.2 g/cm3
CAS Number 1314-61-0

Typical application: High Purity Tantalum pentoxide (Ta2O5) is used for Lithium Tantalum (LT) single crystal, laser, microwave surface wave, information storage (memory), optical fiber communication, and infrared detection etc. It is also used for optical glass coating to improve the optical performance, glass modifier, and puttering target material. TA022-2 is used for LT and TA022-3 is used for optical glass.

Features and Relative Products:

Order Information

Inquiries and orders should include the following information:
1. Quantity
2. Purity
3. Particle Size

Chemical Composition – Tantalum Pentoxide Powder High Purity

Grade TA022-1 TA022-2 TA022-3
Ta2O5 Purity (%min) >99.995 99.99 99.99
Impurities

(ppm max)

Al 1 1 1
As 0.1 1 1
B 1 1 1
Bi 0.5 2 2
Ca 1 5 5
Cl 5 10 10
Co 0.1 1 1
Cr 1 3 3
Cu 1 3 3
F 15 50 75
Fe 1 3 3
K 1 5 5
Mg 1 2 2
Mn 0.5 2 2
Mo 0.5 2 2
Na 3 5 5
Nb 5 10 10
Ni 0.5 3 3
Pb 0.5 3 3
Sb 3 5 5
Si 3 10 15
Sn 1 1 1
Ti 1 1 1
V 0.5 1 1
W 0.2 3 3
Zr 0.5 1 1
L.O.I 0.10% 0.10% 0.10%
Size -60 Mesh -60 Mesh -60 Mesh

Standard Packing

Packed in iron or plastic drums of 25~50 kg net each with inner sealed double plastic bags of 25 kg net each. Special package is available on request.

Physical Properties -Tantalum Oxide Powder High Purity

Chemical formula Ta2O5
Form Powder
Molar mass 441.893 g/mol
Color white
Odor Odorless
Density 8.2 g/cm3
Melting Point 1,872 °C (3,402 °F; 2,145 K)
Solubility negligible in water, insoluble in organic solvents and most mineral acids, reacts with HF
Band gap 3.8 – 5.3 eV
Magnetic susceptibility (χ) −32.0·10−6 cm3/mol
Refractive index (nD) 2.275