Description

4-(Ethylthio)Thiophenol is a specialized organosulfur compound featuring both thiophenol and ethylthio functional groups. This unique structure makes it a valuable intermediate for synthesizing more complex molecules in advanced chemical manufacturing. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and material science industries for applications requiring precise sulfur-based building blocks.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing sulfur heterocycles.
• Agrochemical Synthesis: Used in the production of pesticides, herbicides, and fungicides where the thiophenol moiety is integral to biological activity.
• Ligand and Catalyst Preparation: Serves as a precursor for creating specialized ligands used in transition metal catalysis and coordination chemistry.
• Polymer and Material Science: Acts as a monomer or modifier in the development of specialty polymers, resins, and advanced materials with specific electronic or mechanical properties.
• Organic Synthesis Reagent: Employed in various organic transformations, including nucleophilic aromatic substitution and as a source of the thiophenolate anion.

Basic Information

Product Name	4-(Ethylthio)Thiophenol
CAS No.	56056-57-6
Molecular Formula	C8H10S2
Molecular Weight	170.30 g/mol
Synonyms	p-(Ethylthio)thiophenol; 4-Ethylsulfanylbenzenethiol; 1-Ethylsulfanyl-4-sulfanylbenzene; 4-(Ethylmercapto)thiophenol; Benzenethiol, 4-(ethylthio)-; 4-ESSH; 4-ETP
EINECS	Contact for details

Quality Control

Our 4-(Ethylthio)Thiophenol is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications.

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; for long-term storage, an inert atmosphere (nitrogen or argon) is recommended. Keep away from strong oxidizing agents.

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.