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.
| Names | |
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| Preferred IUPAC name
Thallium(I) fluoride | |
| Other names
Thallium monofluoride Thallous fluoride | |
| Identifiers | |
3D model (JSmol) |
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| ChemSpider | |
| ECHA InfoCard | 100.029.231 |
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| Properties | |
| TlF2• | |
| Molar mass | 223.3817 g/mol |
| Appearance | White crystals |
| Density | 8.36 g cm−3 |
| Melting point | 327 °C (621 °F; 600 K) |
| Boiling point | 655 °C (1,211 °F; 928 K) (decomposes) |
| 78.6 g/100 mL (at 15 °C)[1] | |
| Solubility | slightly soluble in ethanol |
| −44.4·10−6 cm3/mol | |
| 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 Indium(III) fluoride |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
 verify (what is  ?) | |
| Infobox references | |
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.
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