Tellurium Tetrabromide
Title: Tellurium Tetrabromide
CAS Registry Number: 10031-27-3
Additional Names: Telluric bromide
Molecular Formula: Br4Te
Molecular Weight: 447.22
Percent Composition: Br 71.47%, Te 28.53%
Line Formula: TeBr4
Literature References: Prepd from the elements: Fehér in Handbook of Preparative Inorganic Chemistry vol. 1, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1963) pp 445-446.
Properties: Orange crystals when cold, red when hot. d 4.3. mp ~380°. bp 414-420°, dec into dibromide and bromine; can be sublimed without dec at 300° in vacuum. Soluble in a little water, but hydrolyzed by much water. Sol in HBr, ether, glacial acetic acid. Keep well closed.
Melting point: mp ~380°
Boiling point: bp 414-420°
Density: d 4.3

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