
1-Bromo-3-ethylbenzene (m-Bromoethylbenzene) is a brominated aromatic compound widely used as an intermediate in organic synthesis, particularly in pharmaceutical and agrochemical production. It has a melting point of -20.49°C (estimate), boiling point of 204.6°C at 760 mmHg, and density of 1.349 g/cm³. The compound exhibits a refractive index of 1.5465 and flash point of 71.2°C. Storage should be in tightly sealed containers at room temperature, protected from light and moisture. Safety precautions include wearing protective gloves and eye/face protection due to its irritant properties (GHS Category 2). Its reactivity enables applications in Suzuki coupling and other transition metal-catalyzed reactions.