Description

1-(Dichloromethyl)-4-Methylbenzene is a versatile halogenated aromatic intermediate of significant importance in advanced organic synthesis. This compound is valued for its reactive dichloromethyl group, which serves as a key building block for introducing functional complexity into target molecules. It is primarily sought by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty chemical industries for the synthesis of active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those requiring benzyl chloride or aldehyde functionalities.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides, where its aromatic core provides structural stability.
• Organic Synthesis Building Block: Employed in Friedel-Crafts alkylation, chloromethylation, and as a starting material for producing aldehydes via hydrolysis.
• Dye and Pigment Manufacturing: Serves as an intermediate in the synthesis of complex organic dyes and colorants.
• Polymer Chemistry: Can be utilized as a monomer or cross-linking agent in the production of specialty polymers and resins.
• Chemical Research & Development: Essential for method development and exploring new reaction pathways in academic and industrial laboratories.

Basic Information

Product Name	1-(Dichloromethyl)-4-Methylbenzene
CAS No.	23063-36-7
Molecular Formula	C8H8Cl2
Molecular Weight	175.05 g/mol
Synonyms	alpha,α-Dichloro-p-xylene; p-Xylylene Dichloride; 4-Methylbenzylidene Chloride; Dichloro(p-methylbenzyl); 1,1-Dichloro-4-methylbenzene; p-Methylbenzal Chloride; 4-Methylbenzal Chloride; (Dichloromethyl)-4-methylbenzene
EINECS	Contact for details

Quality Control

Our 1-(Dichloromethyl)-4-Methylbenzene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency for your critical processes.

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 bases and oxidizing agents. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and moisture ingress. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC/HPLC)	≤ 2.0% total

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