Description

1,4-Dibromo-2,5-Dichlorobenzene is a halogenated aromatic compound of significant interest in advanced organic synthesis. This versatile building block is valued for its ability to undergo selective cross-coupling reactions and serve as a precursor for complex molecular architectures. It is primarily utilized by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of active ingredients and specialty materials.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the development of active pharmaceutical ingredients (APIs), particularly for molecules requiring a specific halogenated benzene core.
• Agrochemical Synthesis: Used in the research and production of herbicides, fungicides, and other crop protection agents where its halogen substituents enable further functionalization.
• Ligand and Catalyst Preparation: Acts as a precursor for synthesizing specialized ligands used in transition metal catalysis and materials science.
• Organic Electronic Materials: Investigated as a building block for π-conjugated systems in the development of organic semiconductors and light-emitting materials.
• Cross-Coupling Reactions: Employed in Suzuki, Stille, and other palladium-catalyzed cross-coupling reactions to create biaryl and other complex structures.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D focused on novel synthetic methodologies and heterocyclic chemistry.

Basic Information

Product Name	1,4-Dibromo-2,5-Dichlorobenzene
CAS No.	4571-24-8
Molecular Formula	C6H2Br2Cl2
Molecular Weight	304.79 g/mol
Synonyms	2,5-Dichloro-1,4-dibromobenzene; Benzene, 1,4-dibromo-2,5-dichloro-; 1,4-Dibromo-2,5-dichlorobenzol; NSC 60545; 2,5-Dichlorodibromobenzene; p-Dibromo-2,5-dichlorobenzene; 1,4-Dibromo-2,5-dichloro-benzene
EINECS	Contact for details

Quality Control

Our 1,4-Dibromo-2,5-Dichlorobenzene is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to verify identity and purity against established specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong bases and reducing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	118 - 122 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.