Wiktionary
n. (context organic compound English) The brominated derivative of benzene C6H5Br that is used as a solvent and, via Grignard reagents, to manufacture pharmaceuticals etc.
Wikipedia
Bromobenzene is an aryl halide, CHBr, which can be formed by electrophilic aromatic substitution of benzene using bromine. It is a clear, colourless or pale yellow liquid. It is soluble in methanol and diethyl ether, and very slightly soluble in cold water. The term bromobenzenes may occasionally be used to refer to a benzene containing any number of bromine atoms, or with additional substituents.
Usage examples of "bromobenzene".
One of the base chemicals is bromobenzene, a motor oil additive more commonly used to make plastics, pcp is as dangerous to make as it is to ingest.