Description

3-Methyl-2-Butanesulfonyl Chloride is a specialized organic sulfonyl chloride derivative, a key building block in advanced chemical synthesis. Its primary value lies in its high reactivity as a sulfonylation agent, enabling the efficient introduction of the sulfonyl functional group into target molecules. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly for developing active ingredients and novel intermediates.

Application

• Pharmaceutical Intermediate: A critical reagent in the synthesis of active pharmaceutical ingredients (APIs), especially for sulfonamide-based drugs.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and pesticides where the sulfonyl moiety is required for bioactivity.
• Polymer Chemistry: Serves as a monomer or cross-linking agent in the development of specialty polymers with specific thermal or chemical resistance properties.
• Material Science: Employed in surface modification and the creation of functional materials, such as coatings and adhesives.
• Organic Synthesis & Research: A versatile building block for constructing complex organic molecules in academic and industrial R&D laboratories.
• Dye and Pigment Manufacturing: Facilitates the synthesis of sulfonated dyes and colorants.

Basic Information

Product Name	3-Methyl-2-Butanesulfonyl Chloride
CAS No.	78429-87-5
Molecular Formula	C5H11ClO2S
Molecular Weight	170.66 g/mol
Synonyms	2-Butanesulfonyl chloride, 3-methyl-; 3-Methylbutane-2-sulfonyl chloride; 3-Methyl-2-butylsulfonyl chloride; Isobutylsulfonyl chloride (related); Tert-pentanesulfonyl chloride; 1,1-Dimethylpropylsulfonyl chloride; 78429-87-5; NSC 403811
EINECS	Contact for details

Quality Control

Our 3-Methyl-2-Butanesulfonyl Chloride is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including chromatography (HPLC/GC) and spectroscopic methods, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen) after opening. Recommended storage temperature is 2-8°C for long-term stability. Keep away from strong bases, oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Impurities (HPLC)	≤ 2.0% (total)

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