3,4-dibromo-1H-pyrrole-2,5-dione; CAS No.: 1122-10-7; 3,4-dibromo-1H-pyrrole-2,5-dione. PROPERTIES: 3,4-dibromo-1H-pyrrole-2,5-dione features molecular formula C4H2Br2O3 with molecular weight approximately 285.89 g/mol. It generally appears as a white crystalline powder with a reported melting point of 215-218 C. The compound is moderately hygroscopic and should be stored in a tightly sealed container at room temperature with a desiccant. Safety precautions include using chemical-resistant gloves and eye protection due to potential skin and eye irritation. The diketone groups may react with nucleophiles, so compatibility should be verified. In case of accidental ingestion, immediate medical consultation is advised. APPLICATIONS: 3,4-dibromo-1H-pyrrole-2,5-dione functions as a versatile intermediate in pharmaceutical synthesis. Its bromine substituents provide valuable reactivity for further chemical modification. In medicinal chemistry, it has been employed in developing novel antimicrobial agents targeting bacterial cell walls, as reported in pharmaceutical research journals focusing on infectious disease treatments. The pyrrolidinedione structure enables hydrogen bonding interactions critical for biological activity. Additionally, this compound serves as a building block for specialty chemicals, with applications described in fine chemical literature focusing on heterocyclic compounds for material science.