Description

Benzene, 1-Chloro-2,3-Difluoro-4-Methyl- is a halogenated aromatic building block of significant interest in advanced organic synthesis. Its precise substitution pattern makes it a valuable precursor for creating complex molecules with tailored electronic and steric properties. This compound is primarily utilized by researchers and process chemists in the pharmaceutical and agrochemical industries for the development of new active ingredients and specialty materials.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the synthesis of novel drug candidates, particularly those requiring fluorinated and chlorinated aromatic cores for enhanced metabolic stability and bioavailability.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the difluoro and chloro substituents can influence biological activity and environmental fate.
• Liquid Crystal & OLED Materials: Acts as a building block for fluorinated components in electronic display materials and organic light-emitting diodes (OLEDs), where halogen atoms fine-tune electronic properties.
• Specialty Polymer Monomer: Employed in the development of high-performance polymers with specific chemical resistance or unique optical characteristics.
• Chemical Research & Development: A versatile reagent in academic and industrial R&D labs for exploring new reactions and constructing complex molecular architectures.

Basic Information

Product Name	Benzene, 1-Chloro-2,3-Difluoro-4-Methyl-
CAS No.	1261737-51-2
Molecular Formula	C7H5ClF2
Molecular Weight	162.56 g/mol
Synonyms	1-Chloro-2,3-difluoro-4-methylbenzene; 2,3-Difluoro-4-methylchlorobenzene; 4-Methyl-2,3-difluorochlorobenzene; 2,3-Difluoro-4-methylphenyl chloride; (2,3-Difluoro-4-methyl)chlorobenzene; 1-Chloro-4-methyl-2,3-difluorobenzene; 2,3-Difluoro-4-chlorotoluene (incorrect but common misnomer)
EINECS	Contact for details

Quality Control

Every batch of Benzene, 1-Chloro-2,3-Difluoro-4-Methyl- is produced and analyzed under strict quality management protocols. We ensure compliance with relevant industry standards for fine chemicals and advanced intermediates. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee reproducible performance in your synthetic applications.

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 bases and incompatible materials. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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