Description

Thiophenol is a versatile organosulfur compound, widely recognized for its role as a key building block and reagent in advanced chemical synthesis. Its primary value lies in its ability to introduce the phenylthio group, a crucial functionality for modifying material properties and creating complex molecular architectures. This high-purity chemical is essential for research and production in the pharmaceutical, agrochemical, polymer, and material science industries.

Application

• Pharmaceutical Intermediates: A critical precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those containing sulfur-based pharmacophores.
• Agrochemical Synthesis: Used in the production of pesticides, herbicides, and fungicides where the thiophenol moiety enhances biological activity.
• Polymer Modification & Stabilizers: Acts as a chain transfer agent in polymerization and as a precursor for antioxidants and light stabilizers in plastics and rubber.
• Ligand & Catalyst Preparation: Serves as a starting material for synthesizing specialized ligands used in transition metal catalysis for fine chemical production.
• Material Science: Employed in the surface functionalization of nanoparticles and the creation of self-assembled monolayers (SAMs) for electronic and coating applications.
• Chemical Research & Development: A fundamental reagent in organic synthesis laboratories for constructing C-S bonds and exploring new reaction methodologies.

Basic Information

Product Name	Thiophenol
CAS No.	108-98-5
Molecular Formula	C6H6S
Molecular Weight	110.18 g/mol
Synonyms	Benzenethiol; Phenyl mercaptan; Mercaptobenzene; Thiophenol; Phenol, thio-; Phenylthiol; 108-98-5; Benzenethiol (6CI,7CI,8CI,9CI)
EINECS	203-635-3

Quality Control

Our Thiophenol is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including GC and HPLC analysis, to ensure it meets the high-purity standards required for sensitive synthetic applications. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming identity, purity, and impurity profiles. We adhere to cGMP principles where applicable to guarantee supply consistency and traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials such as strong oxidizing agents. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and concentration changes. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0%
Water Content (KF)	≤ 0.1%
Refractive Index (n20D)	1.586 - 1.590
Density (20°C)	1.072 - 1.078 g/mL
Boiling Point	168 - 170 °C

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