Difference in Use between Tungsten Tetrabromide and Tungsten Tribromide

There are some differences in the uses of tetrabromotungsten (WBr4) and tribromotungsten (WBr3). The following is a brief description of their uses:

Uses of tetrabromotungsten:

Chemical catalyst: tetrabromotungsten can be used as a catalyst for certain organic synthesis reactions, such as oxidation reactions, hydrogenation reactions of olefins and aromatic hydrocarbons.
High-temperature lubricant: Due to its high thermal stability, tetrabromotungsten can be used as a lubricant in high-temperature environments to reduce friction and wear between metal parts.
Electronic materials: tetrabromotungsten can be used as semiconductor materials or as precursors for other compounds in electronic devices.

Uses of tungsten tribromide:

Chemical catalyst: tungsten tribromide can be used as a catalyst for certain chemical reactions, such as hydrogenation reactions, reactions of olefins and aromatic hydrocarbons.
Optical materials: Due to the transparency of tungsten tribromide, it can be used in optical fields, such as preparing optical devices and optical lenses.
Chemical research: tungsten tribromide can be used as a reagent or catalyst for certain experiments in chemical research, helping to explore new chemical reactions or synthesis methods.

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