9267. Thallium Selenide

Nomenclature

CAS number: 15572-25-5
Thallous selenide.
SeTl2; mol wt 487.73.
Se 16.19%, Tl 83.81%.
Tl2Se.

Description and references

Prepared by the action of hydrogen selenide on a soln of thallous carbonate: Kuhlmann, Bull. Soc. Chim. [2] 1, 330 (1864).

Properties

Dark gray plates with a metallic luster. mp 340° (Kuhlmann); mp 338° [Palabon, Compt. Rend. 145, 118 (1907); 173, 142 (1921)]. Insol in water and acids.