For any chemical procurement specialist or laboratory manager, securing high-quality intermediates is fundamental to the success of research and development projects. 3,6-Dibromophenanthrene (CAS 174735-02-5) is a prime example of such a critical chemical building block. Its utility spans across various synthesis applications, making it a sought-after compound for chemists globally. This article serves as a practical guide for those looking to buy 3,6-dibromophenanthrene, focusing on its synthesis, applications, and essential procurement factors.

Understanding the Chemistry of 3,6-Dibromophenanthrene

3,6-Dibromophenanthrene is an organic compound that features a phenanthrene backbone substituted with two bromine atoms at the 3 and 6 positions. With a molecular formula of C14H8Br2 and a molecular weight of 336.02 g/mol, it typically exists as a crystalline solid. Its chemical structure endows it with specific reactivity, making it a valuable starting material for creating more complex molecules through various organic reactions.

The synthesis of 3,6-Dibromophenanthrene generally involves electrophilic aromatic substitution. Common methods include the direct bromination of phenanthrene, often using bromine in the presence of a Lewis acid catalyst or in a solvent like nitrobenzene. Careful control over reaction conditions is key to achieving the desired regioselectivity, ensuring bromine substitution occurs predominantly at the 3 and 6 positions. Manufacturers often provide specifications detailing purity levels, with 97% being a common benchmark for high-quality material suitable for demanding synthesis work.

Diverse Applications in Chemical Synthesis

The versatility of 3,6-Dibromophenanthrene is evident in its wide range of applications:

  • Macrocyclization Reactions: It is a key precursor in the synthesis of cyclic oligophenanthrenes and macrocycles. These complex structures are of interest in supramolecular chemistry and materials science.
  • Cross-Coupling Reactions: The bromine atoms serve as reactive sites for palladium-catalyzed cross-coupling reactions (e.g., Suzuki, Stille, Sonogashira). This allows chemists to attach diverse organic fragments, building elaborate molecular architectures for polymers, functional materials, and pharmaceuticals.
  • Precursor for Functional Materials: Derivatives synthesized from 3,6-Dibromophenanthrene are explored for their photophysical properties, making them candidates for organic light-emitting diodes (OLEDs), organic semiconductors, and fluorescent sensors.
  • Organic Synthesis Intermediate: It acts as a foundational intermediate in multi-step synthesis pathways for various fine chemicals and specialty compounds.

When planning your chemical sourcing, obtaining the 3,6-dibromophenanthrene price from multiple reputable suppliers is advisable. Factors like purity, quantity, and delivery terms will influence the final cost.

Procurement Best Practices

For effective procurement, consider the following:

  • Supplier Reliability: Partner with established chemical manufacturers or distributors, particularly those with a strong presence as a supplier in China, known for its extensive chemical production capabilities.
  • Quality Assurance: Always request a Certificate of Analysis (CoA) to verify the purity and specifications of the 3,6-Dibromophenanthrene you intend to purchase.
  • Scale of Need: Determine if you require research quantities (grams) or bulk material for production (kilograms to tons) and confirm the manufacturer’s capacity.
  • Technical Support: A good supplier will offer technical information and support regarding the safe handling and application of the chemical.

Conclusion

3,6-Dibromophenanthrene is an indispensable tool for chemists engaged in complex organic synthesis and materials development. By understanding its synthesis, applications, and by working with reliable manufacturers and suppliers, procurement professionals can ensure they acquire this vital intermediate efficiently and effectively. Whether for academic research or industrial production, a strategic approach to buying 3,6-Dibromophenanthrene guarantees quality and supports project success.