12-09407. Thallium Trifluoride [Archived]

Nomenclature

CAS number: 7783-57-5
Thallic fluoride.
F3Tl; mol wt 261.38.
F 21.81%, Tl 78.19%.
TlF3.

Description and references

Prepd from Tl2O3 and F2: Hannebohn, Klemm, Z. Anorg. Allg. Chem. 229, 343 (1936); Kwasnik in Handbook of Preparative Inorganic Chemistry Vol. 1, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1963) pp 230-231.

Properties

Orthorhombic crystals. Very sensitive to moisture. d425 8.36. d 8.65 also reported: Hebecker, Hoppe, Naturwissenschaften 53, 104 (1966). mp 550°. Dec on heating in air, but may be melted in an atm of fluorine. Instantly dec by water, forming thallium hydroxide and a dark brown sediment. May be stored in sealed quartz tubes.

Status

This monograph has been retired and is no longer subject to revision or update.