Description

5-Chloro-2-(4-Nitrophenyl)-3(2H)-Isothiazolone is a specialized heterocyclic compound belonging to the isothiazolone class, known for its potent biological activity. This chemical is valued for its role as a key synthetic intermediate and active moiety in the development of advanced biocides and pharmaceuticals. It is primarily sought by research institutions and industrial manufacturers in the agrochemical, pharmaceutical, and specialty chemical sectors for developing novel antimicrobial agents and high-value fine chemicals.

Application

• Agrochemical Intermediate: A critical building block for synthesizing next-generation fungicides and bactericides for crop protection.
• Pharmaceutical Research: Used in medicinal chemistry for the development of new antimicrobial and anti-inflammatory drug candidates.
• Industrial Biocide Formulation: Serves as an active ingredient or precursor in formulations for paints, coatings, adhesives, and cooling water systems to prevent microbial growth.
• Material Science: Incorporated into polymers and composites to impart antimicrobial properties for medical devices and specialty materials.
• Academic & R&D: A valuable reagent for chemical synthesis and biological activity studies in university and corporate research laboratories.

Basic Information

Product Name	5-Chloro-2-(4-Nitrophenyl)-3(2H)-Isothiazolone
CAS No.	748777-47-1
Molecular Formula	C9H5ClN2O3S
Molecular Weight	256.66 g/mol
Synonyms	5-Chloro-2-(4-nitrophenyl)-2H-isothiazol-3-one; 5-Chloro-2-(4-nitrophenyl)-3-isothiazolone; 2H-Isoxazol-3-one, 5-chloro-2-(4-nitrophenyl)-; 5-Chloro-2-(p-nitrophenyl)-3(2H)-isothiazolone; 748777-47-1; 5-Chloro-2-(4-nitrophenyl)isothiazol-3(2H)-one
EINECS	Contact for details

Quality Control

Our 5-Chloro-2-(4-Nitrophenyl)-3(2H)-Isothiazolone is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, 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.

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). Keep away from incompatible materials. Due to its light-sensitive nature, containers should be amber-colored or stored in dark conditions.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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