Description

4-Ethylthiophenol is a versatile organosulfur compound characterized by a thiophenol group substituted with an ethyl moiety. This structure makes it a valuable intermediate and building block in advanced organic synthesis, particularly for introducing sulfur-containing functional groups. It is primarily utilized by R&D laboratories and industrial manufacturers in the pharmaceutical, agrochemical, and material science sectors for applications ranging from ligand synthesis to polymer modification.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, especially those requiring thioether or disulfide linkages.
• Agrochemical Synthesis: Used in the production of pesticides, herbicides, and fungicides where the ethylthiophenyl group contributes to biological activity.
• Ligand and Catalyst Preparation: Acts as a building block for creating specialized ligands in coordination chemistry and catalysis, including those for metal complexes.
• Polymer and Material Science: Employed as a modifier or cross-linking agent in the development of specialty polymers, resins, and advanced materials.
• Flavor and Fragrance Industry: Utilized in the research and synthesis of certain sulfur-containing aroma compounds, contributing to savory or meaty notes.
• Organic Synthesis Reagent: Functions as a nucleophile or a protecting group agent in various complex organic transformations.

Basic Information

Item	Details
Product Name	4-Ethylthiophenol
CAS No.	4946-13-8
Molecular Formula	C8H10S
Molecular Weight	138.23 g/mol
Synonyms	p-Ethylthiophenol; 4-Ethylbenzenethiol; 1-Ethyl-4-mercaptobenzene; p-Ethylbenzenethiol; 4-Ethylphenyl mercaptan; (4-Ethylphenyl)thiol; 4-ETP
EINECS	225-586-8

Quality Control

Our 4-Ethylthiophenol is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment. We adhere to relevant ISO standards and can support compliance documentation for various industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen) to prevent oxidation. Keep away from heat, sparks, open flames, and strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (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.