Description

3-Chlorothiophenol is a versatile organosulfur compound featuring both a thiol (-SH) and a chloro substituent on the aromatic ring. This bifunctional structure makes it a valuable intermediate for synthesizing more complex molecules in advanced chemical manufacturing. It is particularly sought after by R&D and production teams in the pharmaceutical, agrochemical, and material science industries for constructing sulfur-containing heterocycles and functional polymers.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), especially those containing benzothiophene or thioether moieties.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides where the chlorothiophenyl group imparts specific biological activity.
• Polymer & Material Science: Serves as a monomer or chain-transfer agent in the production of specialty polymers, resins, and liquid crystals.
• Ligand & Catalyst Preparation: Utilized to create sulfur-based ligands for metal catalysis in cross-coupling and other organic transformations.
• Chemical Research & Development: A crucial reagent for exploring novel synthetic pathways and developing new sulfur chemistry in academic and industrial labs.

Basic Information

Product Name	3-Chlorothiophenol
CAS No.	2037-31-2
Molecular Formula	C6H5ClS
Molecular Weight	144.62 g/mol
Synonyms	3-Chlorobenzenethiol; m-Chlorothiophenol; 3-Chlorophenyl mercaptan; 1-Chloro-3-mercaptobenzene; m-Chlorobenzenethiol; 3-Chlorothiophenol; Benzenethiol, 3-chloro-; NSC 403697
EINECS	218-004-3

Quality Control

Our 3-Chlorothiophenol is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided and can be tailored to meet specific customer or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This compound is easily oxidized (store under inert atmosphere) and is compatible with strong acid/organic solvent. Keep away from heat, sparks, open flames, and strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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