A6703412
Potassium heptafluorotantalate , 99.7% , 16924-00-8
CAS NO.：16924-00-8
Empirical Formula: F7K2Ta
Molecular Weight: 392.13
MDL number: MFCD00042369
EINECS: 240-986-1
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | °Cd ec.) |
| Density | 4.56 g/mL at 25 °C(lit.) |
| vapor pressure | 0Pa at 20℃ |
| form | Powder |
| Specific Gravity | 4.56 |
| color | colorless crystals, crystalline |
| Water Solubility | Decomposes in water. Slightly soluble in hydrogen fluoride. |
| LogP | -1 at 20℃ |
| CAS DataBase Reference | 16924-00-8(CAS DataBase Reference) |
| EPA Substance Registry System | Tantalate(2-), heptafluoro-, dipotassium (16924-00-8) |
Description and Uses
Intermediate in preparation of pure tantalum.
Safety
| Symbol(GHS) |  GHS06 |
| Signal word | Warning |
| Hazard statements | H301-H315-H319-H335 |
| Precautionary statements | P261-P280a-P301+P310a-P305+P351+P338-P405-P501a |
| Hazard Codes | T,Xi |
| Risk Statements | 23/25 |
| Safety Statements | 45 |
| RIDADR | UN 3288 6.1/PG 3 |
| WGK Germany | 1 |
| RTECS | TT1225000 |
| Hazard Note | Irritant |
| TSCA | Yes |
| HazardClass | 6.1 |
| PackingGroup | III |
| HS Code | 28269090 |
| Hazardous Substances Data | 16924-00-8(Hazardous Substances Data) |
| Toxicity | mouse,LD50,oral,110mg/kg (110mg/kg),BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLDBEHAVIORAL: MUSCLE WEAKNESSBEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY),"Novye Dannye Po Toksikologii Redkikh Metalov Ikh Soedinenii," New Data on the Toxicology of Rare Metals and Their Compounds, Izrael'son, Z.I., ed., Moscow, Izdatel'stvo "Meditsina," 196Vol. -, Pg. 115, 1967. |
