Description

5-Chloro-2-Mercaptobenzothiazole is a specialized heterocyclic organic compound that serves as a crucial intermediate in advanced chemical synthesis. Its value lies in its unique molecular structure, which combines a benzothiazole core with reactive chloro and mercapto functional groups, enabling precise modifications for high-performance applications. This chemical is essential for manufacturers and R&D teams in the pharmaceutical, agrochemical, and rubber chemical industries seeking to develop novel active ingredients and performance additives.

Application

• As a key pharmaceutical intermediate in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• In the production of agrochemicals, particularly as a building block for fungicides and herbicides.
• As a precursor for rubber vulcanization accelerators and other specialty polymer additives.
• In corrosion inhibitor formulations for industrial metal treatment processes.
• As a versatile organic synthesis intermediate for creating complex heterocyclic compounds in research and development.
• In the synthesis of dyes and pigments for specialized applications requiring specific light-fastness or chemical resistance.

Basic Information

Product Name	5-Chloro-2-Mercaptobenzothiazole
CAS No.	5331-91-9
Molecular Formula	C7H4ClNS2
Molecular Weight	201.70 g/mol
Synonyms	2-Mercapto-5-chlorobenzothiazole; 5-Chloro-2-benzothiazolethiol; 5-Chloro-2(3H)-benzothiazolethione; 5-Chlorobenzothiazole-2-thiol; CMBT; NSC 403697; 5-Chloro-1,3-benzothiazole-2-thiol; 2-Benzothiazolethiol, 5-chloro-
EINECS	226-221-7

Quality Control

Our production of 5-Chloro-2-Mercaptobenzothiazole adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity, IR for identification, and residual solvent analysis, to ensure it meets precise customer specifications and industry benchmarks. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

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). This compound is easily oxidized; for long-term storage, consider an inert atmosphere. Keep away from strong oxidizing agents, strong bases, and incompatible materials.

Specification

Item	Specification
Appearance	Off-white to pale yellow crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	178°C - 182°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.