Description

4-Chloro-2,5-Dimethylthiophenol is a specialized organosulfur compound featuring a thiophenol core substituted with chloro and methyl groups. This structure makes it a valuable building block and intermediate in advanced organic synthesis, particularly for introducing sulfur-containing functional groups. It is primarily sought by pharmaceutical, agrochemical, and material science research and development teams for creating novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), especially those requiring a thiophenol or aryl sulfide moiety.
• Agrochemical Synthesis: Used in the development of new herbicides, fungicides, and insecticides where the chlorothiophenol structure contributes to biological activity.
• Ligand and Catalyst Preparation: Serves as a starting material for creating specialized ligands used in transition metal catalysis and coordination chemistry.
• Polymer Modification: Acts as a chain transfer agent or functional monomer in the production of specialty polymers and resins with tailored properties.
• Organic Synthesis Building Block: Employed in various name reactions for constructing complex sulfur heterocycles and other advanced organic molecules.
• Material Science Research: Utilized in the development of organic electronic materials, self-assembled monolayers (SAMs), and other functional surfaces.

Basic Information

Product Name	4-Chloro-2,5-Dimethylthiophenol
CAS No.	59962-29-7
Molecular Formula	C8H9ClS
Molecular Weight	172.67 g/mol
Synonyms	2,5-Dimethyl-4-chlorothiophenol; 4-Chloro-2,5-dimethylbenzenethiol; 4-Chloro-2,5-dimethylphenyl mercaptan; 1-Chloro-4-methyl-2-(methylthio)benzene (tautomer); 59962-29-7; p-Chloro-2,5-dimethylthiophenol; 4-Chloro-2,5-dimethyl-thiophenol; Benzenethiol, 4-chloro-2,5-dimethyl-
EINECS	Contact for details

Quality Control

Our 4-Chloro-2,5-Dimethylthiophenol is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and bases. Due to the thiol functionality, it is recommended to store under an inert atmosphere for long-term stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%

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