Description

1-Chloro-4-Methyl-Benzene (CAS NO 3327-51-3), also known as p-Chlorotoluene, is a versatile halogenated aromatic compound that serves as a critical building block in advanced chemical synthesis. Its value lies in the reactive synergy between the methyl and chloro substituents on the benzene ring, enabling precise functionalization. This intermediate is essential for manufacturers in the agrochemical, pharmaceutical, and specialty chemical industries seeking to develop high-performance products.

Application

• Agrochemical Intermediate: A key precursor in the synthesis of herbicides, fungicides, and pesticides, where its structure is modified to create active ingredients.
• Pharmaceutical Synthesis: Employed as a building block for constructing complex drug molecules, particularly in the development of active pharmaceutical ingredients (APIs).
• Dye and Pigment Manufacturing: Used in the production of organic dyes, pigments, and colorants due to its aromatic backbone.
• Specialty Chemical Production: Serves as an intermediate for liquid crystals, polymer additives, and other high-value fine chemicals.
• Organic Synthesis Reagent: Utilized in various organic reactions, including cross-coupling and nucleophilic substitution, to introduce functional groups.

Basic Information

Product Name	1-Chloro-4-Methyl-Benzene
CAS No.	3327-51-3
Molecular Formula	C7H7Cl
Molecular Weight	126.58 g/mol
Synonyms	p-Chlorotoluene; 4-Chlorotoluene; 4-Chloro-1-methylbenzene; 1-Methyl-4-chlorobenzene; Toluene, p-chloro-; Parachlorotoluene; PCT; 4-Methylchlorobenzene
EINECS	222-045-1

Quality Control

Our 1-Chloro-4-Methyl-Benzene is manufactured under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency that meets the rigorous demands of industrial and fine chemical synthesis. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee full traceability and compliance.

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 volatilization.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 99.0%
Water Content (KF)	≤ 0.1%
Density (at 20°C)	1.065 - 1.075 g/mL
Boiling Point	~162°C

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