C7H7BrO

C7H7BrO is the molecular formula for several chemical compounds, each with a unique structure and properties. One common isomer is 4-bromotoluene, also known as p-bromotoluene. This compound is a derivative of toluene where a bromine atom is substituted at the para position of the benzene ring. 4-bromotoluene is a colorless liquid with a distinct odor and is often used as a precursor in organic synthesis, particularly in the formation of Grignard reagents and in cross-coupling reactions like Suzuki and Heck couplings.

Another possible isomer is 2-bromotoluene (o-bromotoluene), where the bromine atom is attached at the ortho position. Similar to 4-bromotoluene, it is a colorless liquid and finds application in organic synthesis. A third isomer is 3-bromotoluene (m-bromotoluene), with the bromine at the meta position. This isomer also shares similar physical properties and synthetic utility.

Beyond these brominated toluenes, C7H7BrO can also represent compounds like benzyl bromide, which is a colorless liquid with a pungent odor. Benzyl bromide is a reactive alkylating agent and is frequently employed in organic chemistry to introduce a benzyl group into other molecules. The specific properties and uses of a compound with the formula C7H7BrO depend entirely on the arrangement of its atoms, i.e., its isomeric structure.