Phosphorous tribromide with formula PBr3 has a penetrating odor. It is prepared by reacting bromine with red phosphorous. Let us study various uses of phosphorus tribromide.
The different uses of Phosphorous Tribromide are discussed herewith.
- Laboratory
- Industry
- Chemistry
Let us study various application of phosphorous tribromide at different range of sectors in brief in this article.
Laboratory
- During the synthesis of primary or secondary ethanols, PBr3 converts the ethanols into alkyl bromides.
- Phosphorous tribromide synthesizes1,2-azaphosphole and ,2,3-thiazaphosphinine, bearing a chromone ring.
- PBr3 as a reagent in chemical synthesis and analysis.
- Phosphorous tribromide synthesizes 1-Bromoundec-1-ene from 10-undecen-1-ol.
- On reacting PBr3 with water it produces hydrobromic acid (HBr) and phosphorous acid (H3PO3) which has different applications in the field of industry.
- The reaction of phosphorous tribromide with the present moisture in the air yields phosphonic acid which has different miscellaneous applications.
Chemistry
- As a catalyst, PBr3 is used during the α-bromination of carboxylic acids.
- Phosphorous tribromide is a strong fire suppression agent sold under the brand name PhostrEx.
- As a novel protocol, phosphorous tribromide utilized to synthesize 7-ethoxy-1-(p-ethylphenoxy)-3,7-dimethyl-2-octene.
- PBr3 is mainly used in organic chemistry as a brominating agent.
- Reaction of phosphorus tribromide with carboxylic acid converts it into acid bromides which has different miscellaneous uses.
- In the Hell-Volhard-Zelinsky halogenation process, PBr3 serve as catalyst.
- Phosphorus tribromide is utilized as an acceptor and is characterized structurally when reacted with a base/donor.
Industry
- PBr3 is used in the production of pharmaceuticals such as fenoprofen, methohexital and alprazolam.
- Phosphorus tribromide is utilized in semiconductor manufacturing.
- PBr3 is used in the manufacturing of simple olefines which yields β-bromoalkylphosphonous dibromides, useful as intermediates which synthesis heterocyclic compounds containing phosphorus and phosphorus mustards.
Conclusion
Phosphorus tribromide being a colorless liquid have a sharp penetrating order. For applications, it can either serve as an Lewis acid or Lewis base. The applications of PBr3 mainly lies in the field of chemistry, laboratory and industry. It synthesizes different chemicals and serve as a reagent and catalyst for manufacturing halides.
Hi….I am Pratham Manish Shah, Pursuing an Integrated MTech degree in Chemical Engineering from the Institute of Chemical Technology Mumbai Marathwada Jalna. With Lamdageeks, I am Interested in learning ongoing education opportunities to maintain knowledge of emerging technologies and methods.
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