Description

4-Bromothiophenol is a versatile organosulfur building block characterized by a thiol group and a bromine substituent on an aromatic ring. This compound matters as a critical intermediate in the synthesis of more complex molecules, particularly in pharmaceuticals and advanced materials. It is needed by R&D chemists and production teams in the pharmaceutical, agrochemical, and specialty chemical industries for constructing sulfur-containing heterocycles and as a ligand precursor.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), especially those containing thioether or disulfide linkages.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents where the thiophenol moiety is required.
• Ligand & Catalyst Preparation: Serves as a precursor for metal-complexing ligands in catalysis and material science applications.
• Polymer & Material Science: Employed as a monomer or modifier in the production of specialty polymers and high-performance materials.
• Organic Synthesis Reagent: Utilized in cross-coupling reactions (e.g., Suzuki, Ullmann) and as a nucleophile in substitution reactions.
• Chemical Research: Fundamental reagent in academic and industrial R&D for exploring new synthetic methodologies.

Basic Information

Product Name	4-Bromothiophenol
CAS No.	106-53-6
Molecular Formula	C6H5BrS
Molecular Weight	189.07 g/mol
Synonyms	p-Bromothiophenol; 4-Bromobenzenethiol; 1-Bromo-4-mercaptobenzene; (4-Bromophenyl)thiol; p-Bromophenyl mercaptan; 4-Bromothiophenol; 106-53-6; p-Bromothiophenol
EINECS	203-406-5

Quality Control

Our 4-Bromothiophenol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (HPLC/GC) and spectroscopic methods, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all test results are provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of ignition. Due to the thiol group, this material may have a characteristic odor; ensure containers are properly sealed.

Specification

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