Description

5-Bromo-m-Xylene is a versatile halogenated aromatic building block essential for advanced organic synthesis. Its value lies in its ability to introduce both a bromine atom and a dimethylbenzene moiety, enabling precise molecular construction in complex chemical processes. This intermediate is particularly critical for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require high-purity raw materials for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), especially those requiring a substituted xylene backbone.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and pesticides where the bromine atom facilitates further functionalization.
• Ligand and Catalyst Development: Serves as a starting material for creating sophisticated ligands used in transition metal catalysis and coordination chemistry.
• Material Science Research: Employed in the development of organic semiconductors, liquid crystals, and advanced polymers.
• Dye and Pigment Manufacturing: Acts as an intermediate for synthesizing complex colorants and functional dyes.
• Cross-Coupling Reactions: An excellent substrate for Suzuki, Stille, and other palladium-catalyzed cross-coupling reactions due to the reactive bromine substituent.

Basic Information

Product Name	5-Bromo-m-Xylene
CAS No.	556-96-7
Molecular Formula	C8H9Br
Molecular Weight	185.06 g/mol
Synonyms	1-Bromo-3,5-dimethylbenzene; 3,5-Dimethylbromobenzene; m-Xylene, 5-bromo-; 3,5-Dimethylphenyl bromide; 5-Bromo-1,3-dimethylbenzene; Bromomesitylene (common name)
EINECS	209-145-8

Quality Control

Our 5-Bromo-m-Xylene is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, and we support our global customers with documentation for regulatory compliance, including REACH.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and strong oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	Individual impurity ≤ 1.0%
Density	~1.35 g/cm³
Boiling Point	~215-220 °C

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