Understanding the chemical properties of key intermediates is fundamental to unlocking their full potential in synthesis. 4-Bromo-1H-imidazole, with the CAS number 2302-25-2, is a prime example of a compound whose inherent characteristics make it invaluable across multiple scientific and industrial domains. This heterocyclic molecule, featuring a bromine atom attached to the imidazole ring, offers a rich platform for chemical transformations.

The physical appearance of 4-Bromo-1H-imidazole is typically described as colorless to beige crystalline flakes or powder, indicating its solid state at room temperature. Its melting point usually falls within the range of 131-135 °C, a characteristic that solidifies its form and aids in handling and storage. The molecular weight is approximately 146.97 g/mol, and its molecular formula is C3H3BrN2, providing essential data for stoichiometric calculations in synthesis.

The true power of 4-Bromo-1H-imidazole lies in its chemical reactivity. The presence of the bromine atom makes it an excellent substrate for a variety of coupling reactions. For chemists looking to buy this intermediate, its ability to undergo palladium-catalyzed cross-coupling reactions, such as Suzuki-Miyaura coupling with boronic acids or Sonogashira coupling with terminal alkynes, is a significant advantage. These reactions are cornerstones of modern organic synthesis, enabling the construction of complex carbon-carbon bonds with high efficiency and selectivity.

Furthermore, the imidazole core itself is biologically relevant and found in many natural products and pharmaceuticals. This makes 4-Bromo-1H-imidazole a strategic choice for synthesizing new drug candidates. Its application as a pharmaceutical intermediate is widespread, allowing researchers to build molecules with potential therapeutic effects. Similarly, in the agrochemical industry, this compound serves as a precursor for developing novel pesticides and herbicides, contributing to improved crop yields and protection.

Beyond pharmaceuticals and agrochemicals, 4-Bromo-1H-imidazole finds utility in the development of dyes and functional materials. Its incorporation into larger molecular structures can impart specific electronic or optical properties, making it relevant for materials science research. When considering the purchase of this versatile compound, buyers often look for suppliers who can guarantee a minimum purity of 98%, ensuring that the material is suitable for demanding applications.

For professionals in the chemical industry, sourcing 4-Bromo-1H-imidazole from reliable manufacturers, particularly those in China, offers a balance of quality and affordability. The availability of detailed technical data sheets and safety information from suppliers further aids in its effective and safe utilization. This compound's unique blend of physical and chemical properties makes it an indispensable tool for chemists worldwide.