Description

1-Bromo-4,5-Dichloro-2-Methylbenzene is a high-purity halogenated aromatic building block of significant importance in advanced organic synthesis. Its value lies in its role as a versatile intermediate for constructing complex molecular architectures, particularly in the pharmaceutical and agrochemical sectors. This compound is primarily needed by R&D chemists and process development scientists working on active pharmaceutical ingredients (APIs), specialty agrochemicals, and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of novel drug candidates, especially those requiring specific halogen-substituted aromatic cores.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides where the bromo and chloro substituents enable unique biological activity.
• Material Science Research: Serves as a precursor for liquid crystals, organic semiconductors, and other functional organic materials.
• Cross-Coupling Reactions: An excellent substrate for Suzuki, Stille, and other palladium-catalyzed cross-coupling reactions to form biaryl structures.
• Chemical Derivatization: The bromine atom provides a handle for further functionalization via nucleophilic substitution or metal-halogen exchange.
• Laboratory Reagent: Employed in academic and industrial research for method development and exploring new synthetic pathways.

Basic Information

Product Name	1-Bromo-4,5-Dichloro-2-Methylbenzene
CAS No.	204930-36-9
Molecular Formula	C7H5BrCl2
Molecular Weight	239.93 g/mol
Synonyms	4,5-Dichloro-2-methyl-1-bromobenzene; 2-Methyl-4,5-dichlorobromobenzene; 1-Bromo-4,5-dichloro-2-methylbenzene; Benzene, 1-bromo-4,5-dichloro-2-methyl-; 2-Methyl-1-bromo-4,5-dichlorobenzene; 4,5-Dichloro-o-bromotoluene; o-Bromo-4,5-dichlorotoluene
EINECS	Contact for details

Quality Control

Our 1-Bromo-4,5-Dichloro-2-Methylbenzene is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency suitable for sensitive synthetic applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment.

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 strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.