Description

3-Ethylbenzenethiol is a specialized organosulfur compound featuring a thiol (-SH) functional group attached to an ethyl-substituted benzene ring. This structure makes it a valuable intermediate for introducing sulfur-containing moieties in advanced chemical synthesis. It is particularly relevant for industries requiring custom synthesis of ligands, pharmaceuticals, and functional materials. Key applications include its use as a building block in pharmaceutical research and as a precursor in the development of specialty chemicals and agrochemicals.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring thioether or disulfide linkages.
• Agrochemical Synthesis: Used in the production of pesticides, herbicides, and fungicides where the ethylbenzenethiol moiety contributes to biological activity.
• Polymer & Material Science: Acts as a chain transfer agent (CTA) or functional monomer in polymerization reactions to modify polymer properties or as a precursor for conductive polymers.
• Chemical Research & Development: Employed as a versatile reagent in organic synthesis for creating complex sulfur-containing molecules, including ligands for catalysis.
• Flavor & Fragrance Industry: Utilized in the synthesis of certain sulfur-containing aroma compounds, contributing to savory or meaty notes at low concentrations.
• Lubricant & Fuel Additive Precursor: Investigated for the development of extreme pressure (EP) additives and antioxidants due to its sulfur content.

Basic Information

Product Name	3-Ethylbenzenethiol
CAS No.	62154-77-2
Molecular Formula	C8H10S
Molecular Weight	138.23 g/mol
Synonyms	3-Ethylbenzenethiol; 3-Ethylthiophenol; m-Ethylbenzenethiol; 3-Ethylphenyl mercaptan; 1-Ethyl-3-mercaptobenzene; Benzenethiol, 3-ethyl-; (3-Ethylphenyl)thiol
EINECS	Contact for details

Quality Control

Our 3-Ethylbenzenethiol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure high purity and consistency. We provide detailed Certificates of Analysis (COA) that include results for assay, identity confirmation, and impurity profiling. Our quality commitment ensures the material is suitable for demanding research and industrial synthesis applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials. Due to its highly volatile and easily oxidized nature (store under inert atmosphere), it is recommended to store under an inert gas (nitrogen or argon) at temperatures between 2°C and 8°C for long-term stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	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.