A7672812
Tantalum oxide , SP , 1314-61-0
Synonym(s):
Tantalum pentoxide
CAS NO.：1314-61-0
Empirical Formula: O5Ta2
Molecular Weight: 441.89
MDL number: MFCD00011254
EINECS: 215-238-2
| Pack Size | Price | Stock | Quantity |
| 5G | RMB47.20 | In Stock |
|
| 25g | RMB132.80 | In Stock |
|
| 100g | RMB499.20 | In Stock |
|
| 500g | RMB2180.80 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 1872 °C |
| Density | 8.2 g/mL at 25 °C(lit.) |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | insoluble in H2O, ethanol, acid solutions; sHF |
| form | lumps |
| color | White to white-beige |
| Specific Gravity | 8.2 |
| Resistivity | 1.0 ∞ 10*12 (ρ/μΩ.cm) |
| Water Solubility | Insoluble in water. |
| Crystal Structure | Trigonal |
| Merck | 14,9056 |
| Exposure limits | OSHA: TWA 5 mg/m3 NIOSH: IDLH 2500 mg/m3; TWA 5 mg/m3; STEL 10 mg/m3 |
| Dielectric constant | 11.6（Ambient） |
| InChI | InChI=1S/5O.2Ta |
| InChIKey | PBCFLUZVCVVTBY-UHFFFAOYSA-N |
| SMILES | [Ta](=O)(=O)O[Ta](=O)=O |
Description and Uses
Tantalum pentoxide is used in making high refractive index optical glass; as a dielectric film on tantalum for its use as a capacitor component and rectifier; and for preparing tantalum metal, its carbide, and many other tantalum compounds.
