Description

Benzenesulfonyl Chloride, 4-(2-Methylpropyl)- (9Ci) is a specialized organosulfur compound belonging to the class of substituted benzenesulfonyl chlorides. This chemical serves as a versatile and critical sulfonating agent and key synthetic intermediate in advanced organic synthesis. It is primarily required by R&D laboratories and production facilities in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for sulfonamide-based drugs.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents requiring the sulfonyl moiety.
• Polymer Chemistry: Acts as a monomer or modifying agent in the creation of specialty polymers and resins with specific functional properties.
• Dye and Pigment Manufacturing: Intermediate for synthesizing sulfonated dyes and organic pigments.
• Chemical Research & Development: Essential reagent in medicinal chemistry and process development for introducing the sulfonyl group.
• Ligand and Catalyst Preparation: Used to synthesize specialized ligands for metal complexes and catalysts.

Basic Information

Product Name	Benzenesulfonyl Chloride, 4-(2-Methylpropyl)- (9Ci)
CAS No.	339370-45-5
Molecular Formula	C10H13ClO2S
Molecular Weight	232.73 g/mol
Synonyms	4-Isobutylbenzenesulfonyl chloride; p-Isobutylbenzenesulfonyl chloride; 4-(2-Methylpropyl)benzenesulfonyl chloride; Benzenesulfonyl chloride, 4-(2-methylpropyl)-; Isobutylbenzene-4-sulfonyl chloride; 1-(Chlorosulfonyl)-4-(2-methylpropyl)benzene; 4-Isobutylphenylsulfonyl chloride
EINECS	Contact for details

Quality Control

Our Benzenesulfonyl Chloride, 4-(2-Methylpropyl)- is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the exacting standards required for synthetic applications. Certificates of Analysis (COA) with detailed specifications from HPLC, GC, and NMR are provided to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to prevent decomposition. Keep away from strong bases, oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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