Description

4-Nitrobenzenesulfonothioic Acid S-Phenyl Ester is a specialized organosulfur compound with a sulfonothioate ester functional group. This chemical serves as a valuable synthetic intermediate and reagent in advanced organic synthesis, particularly for the introduction of the phenylsulfonylthio moiety. It is primarily utilized by research and development chemists in the pharmaceutical and agrochemical industries for constructing complex molecular architectures, developing novel active ingredients, and facilitating sulfur-based chemical transformations.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, especially those requiring sulfonamide or sulfur-containing pharmacophores.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and fungicides where the sulfonothioate group contributes to biological activity.
• Chemical Research Reagent: Employed in academic and industrial R&D labs as a specialized reagent for sulfenylation reactions and the study of sulfur transfer processes.
• Polymer Chemistry: Potential monomer or additive in the development of specialty polymers with specific thermal or chemical resistance properties.
• Material Science: Investigated for use in creating advanced materials, such as liquid crystals or organic semiconductors.

Basic Information

Product Name	4-Nitrobenzenesulfonothioic Acid S-Phenyl Ester
CAS No.	3660-41-1
Molecular Formula	C12H9NO4S2
Molecular Weight	295.33 g/mol
Synonyms	Benzenesulfonothioic acid, 4-nitro-, S-phenyl ester; S-Phenyl 4-nitrobenzenesulfonothioate; 4-Nitrobenzenesulfonothioic Acid Phenyl Ester; Phenyl 4-Nitrobenzenesulfonothioate; 4-Nitrobenzenesulfenothioic Acid S-Phenyl Ester; NSC 403119; p-Nitrobenzenesulfonothioic Acid S-Phenyl Ester
EINECS	Contact for details

Quality Control

Our 4-Nitrobenzenesulfonothioic Acid S-Phenyl Ester is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with key parameters including assay (by HPLC), identification (by IR and NMR), and impurity profile. Our quality commitment ensures the material meets the exacting standards required for research and scale-up applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, the container should be opaque or stored in a dark place.

Specification

Item	Specification
Appearance	Off-white to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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