Allylbromide

Allylbromide, also known as 3-bromopropene, is an organobromine compound with the chemical formula CH2=CHCH2Br. It is a colorless liquid with a pungent odor. Allylbromide is a reactive alkyl halide and is often used as a reagent in organic synthesis. Its reactivity stems from the allylic position, where the bromine atom is easily displaced.

This compound is typically prepared by the reaction of allyl alcohol with phosphorus tribromide. It is flammable and should be handled with care, as it is also an irritant to the skin, eyes, and respiratory tract. Due to its reactivity, allylbromide can undergo various reactions, including nucleophilic substitution, addition reactions across the double bond, and radical reactions. It is a versatile building block for introducing the allyl group into organic molecules.

Allylbromide finds applications in the synthesis of pharmaceuticals, agrochemicals, and fragrances. It is a key intermediate in the production of certain polymers and flame retardants. Its use requires appropriate safety precautions, including working in a well-ventilated area and wearing protective gear.