Thallium(I) fluoride
Thallium(I) fluoride, also known as thallous fluoride, is a chemical compound. Its chemical formula is TlF. It has thallium and fluoride ions. The thallium is in its +1 oxidation state.
| Thallium(I) fluoride | |
|---|---|
Thallium(I) fluoride[source?] | |
| Other names | Thallium monofluoride[source?] Thallous fluoride[source?] |
| Identifiers | |
| CAS number | |
| PubChem | |
| EC number | 232-154-1 |
| RTECS number | XG4900000 |
| SMILES | F[Tl] |
| Properties | |
| Molecular formula | TlF2• |
| Molar mass | 223.3817 g/mol |
| Appearance | White crystals |
| Density | 8.36 g cm−3 |
| Melting point |
327 °C, 600 K, 621 °F |
| Boiling point | |
| Solubility in water | 78.6 g/100 mL (at 15 °C)[1] |
| Solubility | slightly soluble in ethanol |
| −44.4·10−6 cm3/mol | |
| Structure | |
| Crystal structure | Orthorhombic, oP8 |
| Space group | Fmmm, No. 28 |
| Hazards | |
| EU classification |  T+  N
|
| R-phrases | R26/28, R33, R51/53 |
| S-phrases | S13, S28, S45, S61[2] |
| Related compounds | |
| Other anions | Thallium(I) chloride |
| Other cations | Gallium(III) fluoride |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) | |
Properties
Thallium(I) fluoride is a white solid. It dissolves easily in water. It also dissolves in ethanol. It absorbs a little water in wet air.
Preparation
It is made by reacting thallium(I) oxide or thallium(I) carbonate with hydrofluoric acid.
Related pages
References
- ↑ Perry, Dale L.; Phillips, Sidney L. (1995), Handbook of Inorganic Compounds, CRC Press, p. 407, ISBN 0-8493-8671-3, retrieved 2008-06-17
- ↑ "399833 Thallium(I) fluoride 99%". Sigma-Aldrich. Retrieved 2008-06-17.