Thallium(I) bromide
Thallium(I) bromide, also known as thallous bromide, is a chemical compound. Its chemical formula is TlBr. It has thallium and bromide ions in it. The thallium is in its +1 oxidation state.
| Thallium(I) bromide | |
|---|---|
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| Other names | Thallium monobromide |
| Identifiers | |
| CAS number | |
| PubChem | |
| EC number | 232-163-0 |
| SMILES | Br[Tl] |
| Properties | |
| Molecular formula | TlBr |
| Molar mass | 284.288 g/mol |
| Appearance | yellow-white crystalline solid |
| Density | 7.557 g/cm3 |
| Melting point |
480 °C |
| Boiling point | |
| Solubility in water | 0.0047 g/100 mL (20 °C) |
| Hazards | |
| EU classification | Very toxic (T+) Dangerous for the environment (N) |
| EU Index | 081-002-00-9 |
| R-phrases | R26/28, R33, R51/53 |
| S-phrases | (S1/2), S13, S28, S45, S61 |
| Related compounds | |
| Other anions | Thallium(I) fluoride, Thallium(I) chloride, Thallium(I) iodide |
| Other cations | Indium(I) bromide, Lead(II) bromide Bismuth bromide |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) | |
Properties
Thallium(I) bromide is a yellow-white solid. It is similar to silver bromide. It gets darker when light shines on it. It is very toxic, like all thallium compounds. It does not dissolve in water.
Preparation
Thallium(I) bromide is made by reacting thallium and bromine or by reacting sodium or potassium bromide with any thallium compound.
Uses
It is used in semiconductors and gamma ray and X-ray detectors.