Description

3,4-Dibromobenzonitrile is a high-purity, halogenated aromatic nitrile building block essential for advanced organic synthesis. This compound is valued for its dual bromine substituents, which provide versatile sites for further functionalization via cross-coupling reactions. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries to create complex molecules for active ingredients and specialty polymers.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring a substituted benzonitrile core.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, leveraging its halogenated structure for bioactivity.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in transition metal catalysis.
• Material Science Research: Employed in the synthesis of organic electronic materials, liquid crystals, and advanced polymers.
• Cross-Coupling Reactions: An excellent substrate for Suzuki, Stille, and Negishi couplings to introduce the 3,4-dibromophenyl moiety into more complex systems.
• Chemical Research & Development: A versatile building block for exploring new chemical entities and reaction pathways in academic and industrial labs.

Basic Information

Item	Details
Product Name	3,4-Dibromobenzonitrile
CAS No.	188984-35-2
Molecular Formula	C7H3Br2N
Molecular Weight	260.91 g/mol
Synonyms	3,4-Dibromobenzonitrile; 3,4-Dibromobenzene carbonitrile; 3,4-Dibromophenyl cyanide; Benzonitrile, 3,4-dibromo-; 3,4-Dibromobenzonitrile (CAS 188984-35-2); 3,4-DBN
EINECS	Contact for details

Quality Control

Our 3,4-Dibromobenzonitrile is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and consistent lot-to-lot performance. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with customer specifications and industry standards.

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	Contact for details
Loss on Drying	≤0.5%
Residue on Ignition	≤0.1%
Heavy Metals	≤20 ppm

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