Product Detail
Nano Tantalum Oxide
Formula: Ta₂O₅
Purity: 3N-4N
Particle size: 30nm-5um
Appearance: White powder
HS code: 8103201900
CAS NO.: 1314-61-0
Product Description
| Physical & Chemical Characters’name | Characters |
| Formula | Ta₂O₅ |
| M.Wt | 441.89 |
| Melting point /℃ | 1872℃ |
| Density/(g/cm³） | 8.20 |
| Thermal Conductivity | 3.3 W/(m·K) |
| Water absorption | 3. 6% |
| Bulk density/(g/cm3) | 0.67g/cm3 |
| Aerated bulk density (g/cm3） | 0.5~0.7g/cm3 |
| Solidification density | 5.2 g/cm3 |
| Moh’s hardness(Mho) | 6.5（mohs） |
| Specific surface area | 5-15 m2/g |
| Stored Requirements | 1) Cool and dry place 2) Keep sealed and protected from moisture |
| Physical & Chemical Characters’name | Characters |
| Radioaction | No |
| Crystal structure | Hexagonal crystal structure |
| Thermal expansion/10-6.K-1 | 1.3×10^-2Ω/cm |
| Molar mass（g·mol) | No |
| Crystal structure | 441.870573 Da |
| Electrical conductivity | Excellent |
| Permittivity | ε=25-30 |
| EINECS | 215-238-2 |
| Package | 25kg / drum or 1 ton/bag |
| Manufacturing technique | Oxalic acid precipitation method |
| Solubility | Soluble in molten potassium bisulfate and hydrofluoric acid, Insoluble in water |
| Usage | 1) Tantalum metal 2) Electronic battery 3) Optical glass 4) Chemical catalyst |
Certificate of analysis & Particle size data
