Description

3-tert-Butyl Benzenesulfonyl Chloride is a specialized organosulfur compound widely utilized as a key sulfonylation reagent and synthetic intermediate. Its value lies in its ability to introduce the sulfonyl functional group, a critical step in the synthesis of various high-performance materials and active pharmaceutical ingredients. This chemical is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop novel sulfonamides, dyes, and polymer additives.

Application

• Pharmaceutical Intermediate: A crucial building block for synthesizing sulfonamide-based drug candidates, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and pesticides where the sulfonyl moiety enhances biological activity.
• Dye and Pigment Manufacturing: Serves as an intermediate for creating sulfonated dyes and colorants with improved solubility and fastness properties.
• Polymer Modification: Employed to introduce sulfonyl chloride groups into polymer chains, modifying properties like hydrophilicity and reactivity for advanced materials.
• Chemical Research & Development: A valuable reagent in organic synthesis laboratories for constructing complex molecules and exploring new reaction pathways.
• Liquid Crystal and Electronic Material Precursor: Used in the synthesis of sulfone-containing compounds for electronic applications and display technologies.

Basic Information

Product Name	3-tert-Butyl Benzenesulfonyl Chloride
CAS No.	2905-26-2
Molecular Formula	C10H13ClO2S
Molecular Weight	232.72 g/mol
Synonyms	3-(tert-Butyl)benzenesulfonyl chloride; 1-tert-Butyl-3-sulfonylchloridobenzene; m-tert-Butylbenzenesulfonyl chloride; Benzenesulfonyl chloride, 3-(1,1-dimethylethyl)-; 3-tert-Butylphenylsulfonyl chloride; 3-(1,1-Dimethylethyl)benzenesulfonyl chloride; 3-t-Butylbenzenesulfonyl chloride
EINECS	220-828-7

Quality Control

Our 3-tert-Butyl Benzenesulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including assay (HPLC), identity confirmation (IR, NMR), and impurity profiling, to ensure it meets the high-purity standards required for sensitive synthetic applications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition. Keep away from moisture, strong bases, and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.