o-Dibromobenzene is a versatile halogenated aromatic compound widely used as a synthetic intermediate in pharmaceuticals (e.g., antibiotic precursors), agrochemicals, and functional materials (liquid crystals, flame retardants). This ortho-disubstituted benzene derivative exhibits a melting point of 4-6°C, boiling point of 224°C (lit.), and density of 1.956 g/mL at 25°C. With high reactivity attributed to steric strain between adjacent bromine atoms, it readily participates in coupling reactions (e.g., Suzuki-Miyaura). Store in sealed containers under inert atmosphere at 2-8°C. Safety precautions include corrosion-resistant PPE (UN 2711) due to acute toxicity (Oral Rat LD₅₀: 2,000 mg/kg) and environmental hazards (GHS Class 3 Aquatic Chronic).
