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Chemical compound From Wikipedia, the free encyclopedia
Titanium(III) bromide is the inorganic compound with the formula TiBr3. It is a blue black paramagnetic solid with a reddish reflection. It has few applications, although it is a catalyst for the polymerization of alkenes.
Names | |
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IUPAC name
Titanium(III) bromide | |
Other names
Titanium tribromide Tribromotitanium | |
Identifiers | |
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ChemSpider | |
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Properties | |
TiBr3 | |
Molar mass | 287.579 g/mol |
Appearance | blue-black solid |
Hazards | |
NFPA 704 (fire diamond) | |
Related compounds | |
Other anions |
Titanium(III) chloride Titanium(III) fluoride |
Related compounds |
Titanium(IV) bromide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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TiBr3 can be produced by heating the tetrabromide in an atmosphere of hydrogen:[3]
It can also be produced by comproportionation of titanium metal and titanium tetrabromide.[4][5]
Two polymorphs of TiBr3 are known, each exhibiting octahedral Ti centers.[4]
Heating the tribromide gives titanium(II) bromide together with the volatile tetrabromide:[3]
The solid dissolves in donor solvents (L) such as pyridine and nitriles to produce 3:1 adducts:
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