Description

Isobutanesulfonyl Chloride CAS NO 35432-36-1 is a versatile and highly reactive sulfonyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its primary value lies in its ability to act as an efficient sulfonylation agent, introducing the isobutanesulfonyl group to create novel compounds with tailored properties. This intermediate is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, where it is used to develop active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of sulfonamide-based active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides that incorporate sulfonyl functional groups.
• Polymer Chemistry: Acts as a monomer or modifying agent in the creation of specialty polymers and functional materials.
• Dye and Pigment Manufacturing: Intermediate for synthesizing sulfonated dyes and colorants.
• Chemical Research & Development: A valuable reagent for medicinal chemistry and process development in laboratory settings.
• Ligand and Catalyst Preparation: Used to synthesize specialized ligands and catalysts for asymmetric synthesis and other catalytic processes.

Basic Information

Product Name	Isobutanesulfonyl Chloride
CAS No.	35432-36-1
Molecular Formula	C4H9ClO2S
Molecular Weight	156.63 g/mol
Synonyms	2-Methylpropanesulfonyl chloride; Isobutylsulfonyl chloride; 2-Methylpropane-1-sulfonyl chloride; Isobutanesulfonic acid chloride; (2-Methylpropyl)sulfonyl chloride; 1-Chlorosulfonyl-2-methylpropane; Isobutanesulphonyl chloride; Isobutylsulphonyl chloride
EINECS	Contact for details

Quality Control

Our Isobutanesulfonyl Chloride is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific customer requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation. Keep away from strong bases, oxidizing agents, and moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
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.