Thallium(I) fluoride

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Thallium(I) fluoride
Preferred IUPAC name
Thallium(I) fluoride[source?]
Other names
Thallium monofluoride[source?]
Thallous fluoride[source?]
3D model (JSmol)
ECHA InfoCard 100.029.231
EC Number
  • 232-154-1
RTECS number
  • XG4900000
  • F[Tl]
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
Orthorhombic, oP8
Fmmm, No. 28
EU classification Very Toxic T+ Dangerous for the Environment (Nature) N
R-phrases R26/28, R33, R51/53
S-phrases S13, S28, S45, S61[2]
Related compounds
Other anions Thallium(I) chloride

Thallium(I) bromide
Thallium(I) iodide

Other cations Gallium(III) fluoride

Indium(III) fluoride
Thallium(III) fluoride

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) 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.

Properties[change | change source]

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[change | change source]

It is made by reacting thallium(I) oxide or thallium(I) carbonate with hydrofluoric acid.

Related pages[change | change source]

References[change | change source]

  1. Perry, Dale L.; Phillips, Sidney L. (1995), Handbook of Inorganic Compounds, CRC Press, p. 407, ISBN 0-8493-8671-3, retrieved 2008-06-17
  2. "399833 Thallium(I) fluoride 99%". Sigma-Aldrich. Retrieved 2008-06-17.