Description

1,2-Dichloro-4-Methyl-5-(Methylsulfonyl)Benzene is a high-purity, multi-functional aromatic sulfone building block of significant importance in advanced organic synthesis. Its unique structure, featuring both chloro and methylsulfonyl substituents, makes it a versatile intermediate for constructing complex molecules. This compound is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for the development of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of sulfonamide-based drugs and other bioactive molecules.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and insecticides, where the dichloro and methylsulfonyl groups contribute to biological activity.
• Material Science Research: Serves as a precursor for the development of specialty polymers, liquid crystals, and advanced organic electronic materials.
• Organic Synthesis Reagent: A valuable electrophile in cross-coupling reactions (e.g., Suzuki, Negishi) and nucleophilic aromatic substitution reactions for introducing functionalized aryl groups.
• Dye and Pigment Intermediate: Employed in the synthesis of complex dyes and organic pigments due to its stable aromatic core and modifiable substituents.

Basic Information

Product Name	1,2-Dichloro-4-Methyl-5-(Methylsulfonyl)Benzene
CAS No.	849035-75-2
Molecular Formula	C8H8Cl2O2S
Molecular Weight	239.12 g/mol
Synonyms	2,3-Dichloro-4-methylphenyl methyl sulfone; 4-Methyl-1,2-dichloro-5-(methylsulfonyl)benzene; 1,2-Dichloro-4-methyl-5-methylsulfonylbenzene; 2,3-Dichloro-4-methyl-1-(methylsulfonyl)benzene; 5-(Methylsulfonyl-1,2-dichloro-4-methylbenzene; Benzene, 1,2-dichloro-4-methyl-5-(methylsulfonyl)-; Methyl 2,3-dichloro-4-methylphenyl sulfone
EINECS	Contact for details

Quality Control

Our 1,2-Dichloro-4-Methyl-5-(Methylsulfonyl)Benzene 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 needs.

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 oxidizing agents, strong bases, and sources of ignition.

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%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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