Description

4-Methylbenzenesulfonothioic Acid S-Hexyl Ester is a specialized organosulfur compound, specifically an S-alkyl ester of a sulfonothioic acid, with the CAS registry number 28519-32-6. This chemical serves as a valuable intermediate and reagent in advanced organic synthesis, offering unique reactivity for introducing sulfur-containing functional groups. It is primarily utilized by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and material science sectors for developing novel compounds and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring sulfonamide or thioether linkages.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides where the sulfonothioate moiety is integral to biological activity.
• Polymer & Material Science: Acts as a functional monomer or cross-linking agent in the development of specialty polymers, coatings, and advanced materials with tailored properties.
• Chemical Research Reagent: Employed in academic and industrial laboratories for method development, catalysis studies, and exploring new sulfur-based reaction pathways.
• Lubricant & Fuel Additive Precursor: Serves as a synthetic intermediate for creating specialized extreme-pressure additives and anti-wear agents.

Basic Information

Product Name	4-Methylbenzenesulfonothioic Acid S-Hexyl Ester
CAS No.	28519-32-6
Molecular Formula	C₁₃H₂₀O₂S₂
Molecular Weight	272.43 g/mol
Synonyms	p-Toluenesulfonothioic Acid S-Hexyl Ester; S-Hexyl p-Toluenesulfonothioate; 4-Methylbenzenesulfonothioic Acid Hexyl Ester; Hexyl 4-Methylbenzenesulfonothioate; Benzenesulfonothioic Acid, 4-methyl-, S-hexyl ester; S-Hexyl 4-toluenesulfonothioate; Tosylsulfonothioic Acid S-Hexyl Ester
EINECS	Contact for details

Quality Control

Our 4-Methylbenzenesulfonothioic Acid S-Hexyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This compound is easily oxidized; for long-term storage, consider maintaining under an inert atmosphere (e.g., nitrogen or argon). Keep away from strong acids, bases, and oxidizing agents. Handle in accordance with good laboratory and industrial hygiene practices.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Purity (GC)	≥ 96.0%
Water Content (KF)	≤ 0.5%

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