Description

6-Methylbenzo[D]Isothiazol-3(2H)-One is a high-purity organic heterocyclic compound belonging to the benzisothiazolone class. This versatile chemical intermediate is valued for its role in synthesizing advanced materials and specialty chemicals. It is primarily sought by manufacturers in the pharmaceutical, agrochemical, and polymer industries for research, development, and production processes.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those with antimicrobial or anti-inflammatory properties.
• Agrochemical Synthesis: Used in the production of advanced fungicides, herbicides, and plant growth regulators.
• Polymer Additive Precursor: Serves as a starting material for manufacturing light stabilizers, antioxidants, and other performance-enhancing additives for plastics and coatings.
• Biocide Formulation: An active component or precursor in industrial biocides, preservatives, and antimicrobial agents for material protection.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D for constructing complex heterocyclic molecules.
• Dye & Pigment Intermediate: Employed in the synthesis of specialized dyes and organic pigments.

Basic Information

Product Name	6-Methylbenzo[D]Isothiazol-3(2H)-One
CAS No.	4337-47-7
Molecular Formula	C8H7NOS
Molecular Weight	165.21 g/mol
Synonyms	6-Methyl-1,2-benzisothiazol-3(2H)-one; 6-Methyl-2,1-benzisothiazol-3-one; 6-Methylbenzisothiazolin-3-one; 6-Methyl-3(2H)-benzisothiazolone; MBIT; 6-Methyl-1,2-benzisothiazolin-3-one; 3-Hydroxy-6-methyl-1,2-benzisothiazole; 4337-47-7
EINECS	224-411-7

Quality Control

Our 6-Methylbenzo[D]Isothiazol-3(2H)-One is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	145 - 150 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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