Thallium(I) bromide

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Thallium(I) bromide
Other names
Thallium monobromide
3D model (JSmol)
ECHA InfoCard 100.029.239
EC Number
  • 232-163-0
  • Br[Tl]
Molar mass 284.288 g/mol
Appearance yellow-white crystalline solid
Density 7.557 g/cm3
Melting point 480 °C
Boiling point 815 °C
0.0047 g/100 mL (20 °C)
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 otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

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.

Properties[change | change source]

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[change | change source]

Thallium(I) bromide is made by reacting thallium and bromine or by reacting sodium or potassium bromide with any thallium compound.

Uses[change | change source]

It is used in semiconductors and gamma ray and X-ray detectors.

Related pages[change | change source]