Description

4-Chloro-2-Methylthiophenol is a versatile sulfur-containing aromatic compound that serves as a critical building block in advanced organic synthesis. Its unique structure, featuring both chloro and methylthio substituents, makes it a valuable intermediate for constructing complex molecules with tailored properties. This compound is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to develop active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring a substituted thiophenol moiety.
• Agrochemical Synthesis: Building block for manufacturing herbicides, fungicides, and pesticides, leveraging its bioactivity.
• Ligand and Catalyst Preparation: Used to create specialized ligands for metal-catalyzed coupling reactions and other catalytic processes.
• Polymer and Material Science: Monomer or modifier for producing specialty polymers, resins, and advanced materials with specific chemical resistance or electronic properties.
• Organic Synthesis Reagent: Employed in nucleophilic aromatic substitution and as a protecting group or functional group transfer agent in complex multi-step syntheses.
• Flavor and Fragrance Industry: Intermediate for synthesizing certain sulfur-containing aroma chemicals.

Basic Information

Product Name	4-Chloro-2-Methylthiophenol
CAS No.	23385-53-7
Molecular Formula	C7H7ClS
Molecular Weight	158.65 g/mol
Synonyms	2-Methyl-4-chlorothiophenol; 4-Chloro-2-methylbenzenethiol; 2-Methyl-4-chlorobenzenethiol; 4-Chloro-o-toluenethiol; (4-Chloro-2-methylphenyl)thiol; 4-Chloro-2-methylthiophenol; 4-Chloro-2-toluenethiol; 2-Methyl-4-chlorophenyl mercaptan
EINECS	Contact for details

Quality Control

Our 4-Chloro-2-Methylthiophenol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee it meets your specific research or production 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 material is easily oxidized (store under inert atmosphere) and is light-sensitive (store away from light). Keep away from strong oxidizing agents, strong bases, and heat sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Purity (GC/HPLC)	≥ 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.