Nomenclature
CAS number: 7789-27-7
Thallous fluoride.
FTl; mol wt 223.38.
F 8.50%, Tl 91.50%.
TlF.
Description and references
Prepared from Tl2CO3 and
HF: Ketelaar, Z. Kristallogr. 92, 30 (1935); Hayek, Z. Anorg.
Allg. Chem. 225, 47 (1935); Barrow et
al., Trans. Faraday Soc. 51, 1650 (1955); from Tl and HF: Keneshea, Cubicciotti, J. Phys. Chem. 69, 3910 (1965);
Tranquard, Bull. Soc. Chim. Fr. 1967, 2578.
Properties
Hard, shiny, crystals which deliquesce when breathed
upon, but which resolidify immediately in dry air. Not hygroscopic
in the usual sense. Orthorhombic (deformed NaCl lattice). d425 8.36. mp 322°.
Begins to sublime at 300°. Very freely sol in water. Concd solns
show strong alkalinity.Use
In the prepn of fluoro esters.