Product Detail
Nano Niobium Oxide
Formula: Nb₂O₅
Purity: 3N-4N
Particle size: 30nm-5um
Appearance: White powder
HS code: 8112924090
CAS NO.: 1313-96-8
Product Description
| Physical & Chemical Characters’name | Characters |
| Formula | Nb₂O₅ |
| M.Wt | 265.81 |
| Melting point /℃ | 1485±5℃ |
| Boiling point/℃ | °Cat760mmHg |
| Flash(ing) point/℃ | °CPSA: 77.51000log |
| Density/(g/cm³） | 4.47 |
| Refractive index | 1.7 |
| Water absorption | 3. 6% |
| Solidification density | 1.88 – 2.28 g/cm3 |
| Moh’s hardness(Mho) | 5-6（mohs） |
| Specific surface area | 5-15 m2/g |
| Solubility | Soluble in molten potassium bisulfate, hydrofluoric acid and hot sulfuric acid, as well as carbonates and hydroxides of alkali metals，Insoluble in water |
| Physical & Chemical Characters’name | Characters |
| Electrical conductivity | Excellent |
| Radioaction | No |
| Permittivity | ε=35-50 |
| Crystal structure | Cubic crystals |
| Lattice constant/Å | a=b=4.85Å c=3.07Å |
| Thermal expansion/10-6.K-1 | 1.40xlO^/K |
| Molar mass（g·mol) | 265.81 g/mol |
| EINECS | 234-809-7 |
| Manufacturing technique | Oxalic acid precipitation method |
| Package | 25kg / drum or 1 ton/bag |
| Stored Requirements | Cool, dry and ventilated place |
| Usage | 1) Niobium metal 2) Electronic battery 3) Optical glass |
Certificate of analysis & Particle size data
