Description

3-Hydroxythiophenol is a versatile aromatic thiol compound characterized by the presence of both a phenolic hydroxyl group and a thiol (mercaptan) group on the benzene ring. This unique bifunctional structure makes it a valuable building block and intermediate in advanced organic synthesis. It is primarily sought by industries involved in the development of pharmaceuticals, agrochemicals, and specialty polymers, where it serves as a key precursor for creating complex molecular architectures.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing sulfur heterocycles or requiring specific thioether linkages.
• Agrochemical Synthesis: Serves as a precursor for herbicides, fungicides, and insecticides, leveraging the reactivity of both functional groups.
• Polymer & Material Science: Acts as a monomer or chain-transfer agent in the production of specialty polymers, resins, and materials with tailored properties.
• Ligand & Catalyst Preparation: Utilized to synthesize chelating ligands for metal catalysts used in asymmetric synthesis and cross-coupling reactions.
• Chemical Research & Development: Employed as a versatile reagent in organic chemistry R&D for constructing complex sulfur-containing molecules.
• Surface Modification Agent: Can be used to functionalize surfaces (e.g., gold nanoparticles) via the strong affinity of the thiol group.

Basic Information

Product Name	3-Hydroxythiophenol
CAS No.	40248-84-8
Molecular Formula	C6H6OS
Molecular Weight	126.18 g/mol
Synonyms	3-Mercaptophenol; m-Mercaptophenol; 3-Hydroxybenzenethiol; 3-Hydroxyphenyl mercaptan; m-Hydroxythiophenol; Benzenethiol, 3-hydroxy-; 3-Hydroxy-thiophenol; 3-Thiophenol
EINECS	254-849-9

Quality Control

Our 3-Hydroxythiophenol is produced under stringent quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with each shipment, guaranteeing traceability and compliance with your quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. Keep away from strong oxidizing agents.

Specification

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