TANTALUM PENTAFLUORIDE
- Product NameTANTALUM PENTAFLUORIDE
- CAS7783-71-3
- CBNumberCB9150289
- MFF5Ta
- MW275.94
- EINECS232-022-3
- MDL NumberMFCD00042542
- MOL File7783-71-3.mol
- MSDS FileSDS
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 |
| CAS DataBase Reference | 7783-71-3(CAS DataBase Reference) |
| EWG's Food Scores | 1 |
| FDA UNII | QAG1W735WO |
| EPA Substance Registry System | Tantalum fluoride (TaF5) (7783-71-3) |
Safety
| Symbol(GHS) |
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| Signal word | Danger | |||||||||
| Hazard statements | H314 | |||||||||
| Precautionary statements | P260-P280-P301+P330+P331-P303+P361+P353-P304+P340+P310-P305+P351+P338 | |||||||||
| 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 | Yes | |||||||||
| HazardClass | 8 | |||||||||
| PackingGroup | II | |||||||||
| HS Code | 2826199090 | |||||||||
| NFPA 704: |
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