Description

1,2-Bis(Chloromethyl)-4,5-Dimethylbenzene is a versatile and reactive organic intermediate characterized by its two chloromethyl functional groups on a dimethyl-substituted benzene ring. This structure makes it a valuable building block for the synthesis of more complex molecules, particularly in the development of specialty polymers, pharmaceuticals, and agrochemicals. It is primarily sought after by R&D chemists and process engineers in the fine chemical, pharmaceutical, and advanced material manufacturing sectors for constructing macrocyclic compounds, ligands, and functional polymers.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for constructing complex molecular scaffolds and macrocyclic compounds.
• Polymer Chemistry: Serves as a cross-linking agent or monomer for producing specialty polymers, resins, and high-performance engineering plastics with enhanced thermal or chemical resistance.
• Agrochemical Synthesis: Used in the manufacture of advanced pesticides, herbicides, and plant growth regulators where its reactive sites allow for the introduction of specific functional groups.
• Ligand and Chelator Production: Building block for creating sophisticated ligands used in catalysis, metal extraction, and diagnostic imaging agents.
• Material Science Research: Employed in R&D for developing novel organic frameworks, dendrimers, and other advanced functional materials.
• Dye and Pigment Intermediate: Used in the synthesis of specialized colorants and optical brighteners for industrial applications.

Basic Information

Product Name	1,2-Bis(Chloromethyl)-4,5-Dimethylbenzene
CAS No.	2362-16-5
Molecular Formula	C10H12Cl2
Molecular Weight	203.11 g/mol
Synonyms	1,2-Bis(chloromethyl)-4,5-dimethylbenzene; 4,5-Dimethyl-1,2-bis(chloromethyl)benzene; 1,2-Di(chloromethyl)-4,5-dimethylbenzene; 4,5-Dimethyl-o-xylene-α,α'-dichloride; α,α'-Dichloro-4,5-dimethyl-o-xylene; NSC 403796; 1,2-Bis(chloromethyl)-4,5-dimethyl-benzene
EINECS	219-119-7

Quality Control

Our 1,2-Bis(Chloromethyl)-4,5-Dimethylbenzene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from heat, sparks, and open flame.

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%
Related Substances (HPLC)	Contact for details

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