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Tribromide is the anion with the chemical formula Br 3 −, or salts containing it: . Tetrabutylammonium tribromide; Tetrabromophosphonium tribromide; Pyridinium perbromide; Sodium and potassium tribromides can be prepared by reacting NaBr or KBr with aqueous bromine.
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Nitrogen tribromide is a chemical compound with the formula NBr 3. It is extremely explosive in its pure form, even at −100 °C, and was not isolated until 1975. [ 2 ] It is a deep-red and volatile solid.
Antimony tribromide has two crystalline forms, both having orthorhombic symmetries. When a warm carbon disulfide solution of SbBr 3 is rapidly cooled, it crystallizes into the needle-like α-SbBr 3, which then slowly converts to the more stable β form. [2] Antimony tribromide hydrolyzes in water to form hydrobromic acid and antimony trioxide:
Phosphorus tribromide is a colourless liquid with the formula P Br 3. The liquid fumes in moist air due to hydrolysis and has a penetrating odour. It is used in the laboratory for the conversion of alcohols to alkyl bromides .
Boron tribromide, BBr 3, is a colorless, fuming liquid compound containing boron and bromine. Commercial samples usually are amber to red/brown, due to weak bromine ...
Arsenic tribromide can be prepared by the direct bromination of arsenic powder. Alternatively, arsenic(III) oxide can be used as the precursor in the presence of elemental sulfur: 2 As 2 O 3 + 3 S + 6 Br 2 → 4 AsBr 3 + 3 SO 2. Arsenic tribromide is a highly water soluble crystalline arsenic source for uses compatible with bromides and lower ...
Heating the tribromide gives titanium(II) bromide together with the volatile tetrabromide: [3] 2 TiBr 3 → TiBr 4 + TiBr 2 The solid dissolves in donor solvents (L) such as pyridine and nitriles to produce 3:1 adducts: