Phosphorus(III) Bromide(CAS 7789-60-8)

Phosphorus tribromide has several applications in organic chemistry:

• Conversion of Alcohols: It is primarily used to convert primary and secondary alcohols into alkyl bromides, often yielding higher purity than using hydrobromic acid.
• Bromination Reactions: PBr₃ serves as a catalyst for the bromination of carboxylic acids, forming acyl bromides that are intermediates in further synthetic processes.
• Pharmaceutical Manufacturing: It is employed in the synthesis of various pharmaceuticals, including sedatives and anti-inflammatory drugs.
• Fire Suppression: Marketed under the name PhostrEx, phosphorus tribromide is also utilized as a fire suppression agent due to its ability to release bromine gas.

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