Description

2,5-Dichlorothiophenol is a versatile organosulfur compound featuring a thiophenol core substituted with chlorine atoms at the 2 and 5 positions. This structure makes it a valuable intermediate for synthesizing more complex molecules, particularly in the pharmaceutical and agrochemical sectors where specific halogenated aromatic systems are required. It is primarily sought by research and development chemists and process engineers in fine chemical manufacturing for creating active pharmaceutical ingredients (APIs), ligands, and advanced materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those requiring halogenated thiophenol motifs.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides where the dichlorothiophenyl group contributes to biological activity.
• Ligand and Catalyst Preparation: Serves as a precursor for creating specialized ligands used in metal-catalyzed cross-coupling reactions and other catalytic processes.
• Material Science Research: Employed in the development of organic electronic materials, polymers, and liquid crystals due to its electron-rich and modifiable aromatic system.
• Chemical Research & Development: A versatile reagent for exploring new synthetic pathways and creating custom chemical entities in academic and industrial R&D labs.

Basic Information

Product Name	2,5-Dichlorothiophenol
CAS No.	5858-18-4
Molecular Formula	C6H4Cl2S
Molecular Weight	179.07 g/mol
Synonyms	2,5-Dichlorobenzenethiol; 2,5-Dichlorophenyl mercaptan; 1,4-Dichloro-2-mercaptobenzene; Benzenethiol, 2,5-dichloro-; 2,5-Dichlorothiophenol; 2,5-Dichlorothiophenol (technical grade); 2,5-Dichloro-1-thiophenol; 2,5-Dichlorophenylthiol
EINECS	227-476-4

Quality Control

Our 2,5-Dichlorothiophenol is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and GC-MS, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical characteristics is provided with every shipment to guarantee traceability and consistency.

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 its light-sensitive nature, containers should be kept in opaque packaging or amber glass.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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