Thallium(I) fluoride

chemical compound
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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
Names
Preferred IUPAC name
Thallium(I) fluoride[source?]
Other names
Thallium monofluoride[source?]
Thallous fluoride[source?]
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.029.231
EC Number
  • 232-154-1
RTECS number
  • XG4900000
  • F[Tl]
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
Fmmm, No. 28
Hazards
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 {{{value}}}
Other cations {{{value}}}
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

Properties

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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

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

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References

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  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.