Tantalpentafluorid
Bezeichnung:Tantalpentafluorid
CAS-Nr7783-71-3
Englisch Name:TANTALUM PENTAFLUORIDE
CBNumberCB9150289
SummenformelF5Ta
Molgewicht275.94
MOL-Datei7783-71-3.mol
Synonyma
Tantalpentafluorid
Tantalpentafluorid physikalisch-chemischer Eigenschaften
| Schmelzpunkt | 96.8 °C |
| Siedepunkt | 229.5 °C |
| Dichte | 4.74 g/mL at 25 °C(lit.) |
| Flammpunkt | 230°C |
| Löslichkeit | soluble in H2O, ethyl ether; slightly soluble in CS2 |
| Aggregatzustand | Powder |
| Wichte | 4.740 |
| Farbe | off-white |
| Wasserlöslichkeit | 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 |
| Expositionsgrenzwerte | ACGIH: TWA 2.5 mg/m3 NIOSH: IDLH 250 mg/m3 |
| CAS Datenbank | 7783-71-3(CAS DataBase Reference) |
| EPA chemische Informationen | Tantalum fluoride (TaF5) (7783-71-3) |
| Kennzeichnung gefährlicher | C |
| R-Sätze: | 34 |
| S-Sätze: | 26-27-28-36/37/39-45 |
| RIDADR | UN 3260 8/PG 2 |
| WGK Germany | 3 |
| RTECS-Nr. | WW5775000 |
| Hazard Note | Corrosive |
| TSCA | Yes |
| HazardClass | 8 |
| PackingGroup | II |
| HS Code | 2826199090 |
