Title: Thallium Trifluoride
CAS Registry Number: 7783-57-5
Additional Names: Thallic fluoride
Molecular Formula: F3Tl
Molecular Weight: 261.38
Percent Composition: F 21.81%, Tl 78.19%
Line Formula: TlF3
Literature 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.
Melting point: mp 550°
Density: d425 8.36; d 8.65 also reported: Hebecker, Hoppe, Naturwissenschaften 53, 104 (1966)
Status: This monograph has been retired and is no longer subject to revision or update. |