Tellurium tetrabromide

Tellurium (IV ) bromide

Yellow to orange solid

Fixed

4.31 g · cm -3

380 ° C.

420 ° C ( decomposition)

Risk

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Tellurtetrabromid is an inorganic chemical compound of tellurium from the group consisting of bromides.

Production and representation

Tellurtetrabromid can be obtained by reacting tellurium with bromine.

Also possible is the preparation by reaction of tellurium or tellurium dioxide ( at 110 ° C) with boron tribromide

Or iodine bromide with tellurium.

Properties

Tellurtetrabromid is a moisture- sensitive, hygroscopic, yellow to orange colored, crystalline solid which decomposes on contact with water. It is soluble in hydrobromic acid, ether, and glacial acetic acid. When heated partial decomposition takes place under Bromabgabe why the compound at atmospheric pressure can not be melted without decomposing or distilled. In the solid state Tellurtetrabromid has a structure of the Kuban type which can be described as being composed of four linked via halide bridges TeBr3 Br units.