Description

5-Chloro-2-Methyl-3(2H)-Isothiazolone 1,1-Dioxide is a high-purity, specialized heterocyclic compound belonging to the isothiazolone family, valued for its role as a key synthetic intermediate and potential bioactive agent. Its significance lies in enabling the development of advanced materials and fine chemicals where precise molecular structure is critical. This product is essential for R&D chemists and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to develop new active ingredients or functional additives.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of novel drug candidates, particularly those targeting microbial or inflammatory pathways.
• Agrochemical Synthesis: Used in the research and production of advanced fungicides, herbicides, and plant growth regulators.
• Polymer Science & Material Chemistry: Acts as a monomer or functional additive for creating specialty polymers with enhanced properties like biocidal activity or UV stability.
• Biocide & Preservative Development: A key precursor for formulating isothiazolone-based preservatives used in industrial water treatment, paints, and coatings.
• Organic Synthesis & Chemical Research: Employed in academic and industrial laboratories for method development and the construction of complex heterocyclic molecules.
• Dye & Pigment Chemistry: Utilized in the synthesis of specialized colorants and functional dyes.

Basic Information

Product Name	5-Chloro-2-Methyl-3(2H)-Isothiazolone 1,1-Dioxide
CAS No.	1082042-00-9
Molecular Formula	C4H4ClNO3S
Molecular Weight	181.60 g/mol
Synonyms	5-Chloro-2-methyl-1,2-thiazol-3(2H)-one 1,1-dioxide; 5-Chloro-2-methylisothiazol-3(2H)-one 1,1-dioxide; 2-Methyl-5-chloro-3(2H)-isothiazolone 1,1-dioxide; 5-Chloro-2-methyl-3-isothiazolone S,S-dioxide; CMIT dioxide (derivative); Isothiazolone dioxide derivative; Contact for details on EINECS

Quality Control

Our 5-Chloro-2-Methyl-3(2H)-Isothiazolone 1,1-Dioxide is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided to guarantee compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong bases, reducing agents, and strong oxidizing agents. For long-term storage, consider an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
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.