The pharmaceutical industry relies on a complex web of chemical intermediates to synthesize life-saving drugs. Among these vital components, 4,5-Dibromo-1,2-phenylenediamine (CAS 49764-63-8) stands out as a critical building block with wide-ranging applications. For procurement specialists and R&D scientists, understanding its properties and sourcing effectively is key to successful drug development.
What Makes 4,5-Dibromo-1,2-phenylenediamine Important?
This compound, with the molecular formula C6H6Br2N2 and a molecular weight of approximately 265.933, is a yellow crystalline powder. Its significance lies in its dual functionality: the presence of two bromine atoms and two adjacent amine groups on an aromatic ring. This unique arrangement makes it an exceptionally versatile precursor in organic synthesis, particularly for the creation of complex heterocyclic molecules.
Core Applications in Pharmaceuticals:
Sourcing Considerations: Purity and Supply
When you need to buy 4,5-Dibromo-1,2-phenylenediamine, the purity of the compound is a critical factor. Typically, a minimum purity of 97% is required for pharmaceutical applications, ensuring that downstream reactions proceed efficiently and that final products meet stringent regulatory standards. Manufacturers often provide Certificates of Analysis (COA) to confirm these specifications.
Advantages of Sourcing from China:
China has become a leading global supplier of chemical intermediates. Manufacturers in China offer 4,5-Dibromo-1,2-phenylenediamine with high purity, competitive pricing, and reliable supply chains. For bulk purchase orders, working with Chinese suppliers can significantly reduce costs while ensuring product availability. Furthermore, many offer free samples, allowing potential buyers to assess product quality firsthand. This makes them an attractive partner for pharmaceutical companies and contract research organizations.
In conclusion, 4,5-Dibromo-1,2-phenylenediamine is an indispensable intermediate for the pharmaceutical sector. Its unique chemical properties enable the synthesis of vital drug components. By partnering with reputable manufacturers in China, companies can secure a high-quality, cost-effective supply of this essential compound, driving innovation and contributing to advancements in healthcare.
Manufacturing Facilities






Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.