Description

5-Hydroxy-2-Mercapto-Benzimidazole is a versatile benzimidazole derivative that serves as a critical intermediate in the synthesis of high-performance materials and active pharmaceutical ingredients. Its unique structure, featuring both phenolic hydroxyl and thiol functional groups, makes it a valuable building block for creating compounds with specific chelating, antioxidant, and biological properties. This chemical is essential for manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to develop advanced products.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of anthelmintic and antifungal drugs, leveraging the benzimidazole core's biological activity.
• Agrochemical Synthesis: Used in the production of fungicides and plant growth regulators for crop protection.
• Polymer Additive: Acts as an antioxidant and stabilizer in rubber and plastic formulations to prevent thermal and oxidative degradation.
• Metal Chelating Agent: Utilized in analytical chemistry and water treatment processes due to its ability to bind with specific metal ions.
• Corrosion Inhibitor: Incorporated into coatings and lubricants for industrial equipment to protect against rust and wear.
• Research & Development: Serves as a starting material in organic synthesis for novel chemical entities in academic and industrial R&D labs.

Basic Information

Product Name	5-Hydroxy-2-Mercapto-Benzimidazole
CAS No.	92806-98-9
Molecular Formula	C7H6N2OS
Molecular Weight	166.20 g/mol
Synonyms	2-Mercapto-5-hydroxybenzimidazole; 5-Hydroxy-1,3-dihydro-2H-benzimidazole-2-thione; 5-Hydroxy-2-benzimidazolethiol; 2-Thiol-5-hydroxybenzimidazole; 5-Hydroxy-2-mercaptobenzimidazole; 2-Mercapto-5-hydroxy-1H-benzimidazole; NSC 403796
EINECS	Contact for details

Quality Control

Our 5-Hydroxy-2-Mercapto-Benzimidazole is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality commitment aligns with cGMP principles where applicable, ensuring the material meets the rigorous standards required for pharmaceutical and industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere for long-term preservation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	285°C - 295°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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