Description

3-Hydroxybenzothiophene is a versatile heterocyclic organic compound featuring a benzothiophene core substituted with a hydroxyl group. This functionalization makes it a valuable building block and intermediate in advanced organic synthesis, particularly for the development of pharmaceuticals and functional materials. It is essential for research and production in industries focused on medicinal chemistry, material science, and agrochemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those targeting neurological and metabolic disorders.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a core structure for developing novel electron-transporting or host materials in display and lighting technologies.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides due to its bioactive heterocyclic scaffold.
• Ligand for Catalysis: Can be utilized to develop specialized ligands for transition metal catalysts used in cross-coupling and other organic transformations.
• Polymer & Material Science: Acts as a monomer or modifying agent for creating polymers with specific electronic or thermal properties.
• Dye & Pigment Intermediate: Employed in the synthesis of specialized dyes and pigments for high-performance applications.

Basic Information

Product Name	3-Hydroxybenzothiophene
CAS No.	520-72-9
Molecular Formula	C8H6OS
Molecular Weight	150.20 g/mol
Synonyms	3-Hydroxy-1-benzothiophene; 1-Benzothiophen-3-ol; 3-Benzothienol; 3-Hydroxybenzo[b]thiophene; 3-HBT; 520-72-9; Benzothiophene-3-ol; 3-Oxybenzothiophene
EINECS	208-300-5

Quality Control

Our 3-Hydroxybenzothiophene is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments. Our quality commitment aligns with cGMP and ISO standards for reliable supply to regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	92 - 96 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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