Description

2-Ethylbenzenethiol is a specialized organosulfur compound featuring a thiol (-SH) functional group on an ethyl-substituted benzene ring. This structural motif makes it a valuable building block and intermediate in advanced organic synthesis, particularly for introducing sulfur-containing moieties. It is primarily utilized by research institutions 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 containing thioether or disulfide linkages.
• Agrochemical Synthesis: Used in the production of certain pesticides, herbicides, and fungicides where the ethylbenzenethiol structure contributes to biological activity.
• Chemical Research & Development: Acts as a versatile reagent in organic chemistry for studying thiol-ene reactions, metal complexation, and as a source of the thiolate anion.
• Polymer & Material Science: Employed as a chain transfer agent (CTA) in radical polymerizations or as a modifying agent to impart specific properties to polymers and advanced materials.
• Flavor & Fragrance Industry: May be used in trace amounts as an intermediate for synthesizing certain sulfur-containing aroma compounds, subject to strict purity and regulatory controls.
• Ligand for Catalysis: Utilized in the preparation of sulfur-donor ligands for transition metal catalysts used in homogeneous catalysis.

Basic Information

Product Name	2-Ethylbenzenethiol
CAS No.	4500-58-7
Molecular Formula	C8H10S
Molecular Weight	138.23 g/mol
Synonyms	o-Ethylbenzenethiol; 2-Ethylthiophenol; 1-Ethyl-2-mercaptobenzene; (2-Ethylphenyl)thiol; 2-Ethylbenzenethiol; Benzenethiol, 2-ethyl-; o-Ethylphenyl mercaptan; 2-Ethylthiophenol
EINECS	Contact for details

Quality Control

Our 2-Ethylbenzenethiol is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, identity, and impurity profiles.

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 minimize oxidation. Keep away from heat, sparks, open flames, and strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 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.