TANTALUM PENTAFLUORIDE
- Product NameTANTALUM PENTAFLUORIDE
- CAS7783-71-3
- MFF5Ta
- MW275.94
- EINECS232-022-3
- MOL File7783-71-3.mol
Chemical Properties
| Melting point | 96.8 °C |
| Boiling point | 229.5 °C |
| Density | 4.74 g/mL at 25 °C(lit.) |
| Flash point | 230°C |
| solubility | soluble in H2O, ethyl ether; slightly soluble in CS2 |
| form | Powder |
| Specific Gravity | 4.740 |
| color | off-white |
| Water Solubility | Decomposes in water forming tantalum oxyfluoride. Soluble in conc. and fuming HNO{3}Soluble in carbon disulfide, carbon tetrachloride and chloroform. Slightly soluble in acetic acid and ethanol. |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| Sensitive | Moisture Sensitive |
| Merck | 14,9055 |
| Exposure limits | ACGIH: TWA 2.5 mg/m3 NIOSH: IDLH 250 mg/m3 |
| InChI | 1S/5FH.Ta/h5*1H;/q;;;;;+5/p-5 |
| InChIKey | YRGLXIVYESZPLQ-UHFFFAOYSA-I |
| SMILES | F[Ta](F)(F)(F)F |
| CAS DataBase Reference | 7783-71-3(CAS DataBase Reference) |
| EPA Substance Registry System | Tantalum fluoride (TaF5) (7783-71-3) |
Safety Information
| Hazard Codes | C |
| Risk Statements | 34 |
| Safety Statements | 26-27-28-36/37/39-45 |
| RIDADR | UN 3260 8/PG 2 |
| WGK Germany | 3 |
| RTECS | WW5775000 |
| Hazard Note | Corrosive |
| TSCA | TSCA listed |
| HazardClass | 8 |
| PackingGroup | II |
| HS Code | 2826199090 |
| Storage Class | 8B - Non-combustible corrosive hazardous materials |
| Hazard Classifications | Eye Dam. 1 Skin Corr. 1B |