Description

2,3-Dihydro-2-Thioxo-1H-Benzimidazole-5-Sulfonic Acid Disodium Salt is a high-purity, water-soluble sulfonic acid derivative of the benzimidazole class. This compound is valued for its role as a key synthetic intermediate and functional additive in advanced chemical manufacturing. It is primarily sought by the pharmaceutical, agrochemical, and specialty chemical industries for applications requiring precise molecular architecture and reliable performance.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for drugs targeting specific enzyme pathways.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where the benzimidazole core provides biological activity.
• Dye & Pigment Manufacturing: Serves as a precursor or intermediate in the synthesis of specialty dyes, optical brighteners, and colorants.
• Chemical Research & Development: Employed as a reagent in organic synthesis and material science research for creating novel compounds.
• Corrosion Inhibitor Formulation: Acts as a component in specialty formulations designed to protect metals in industrial systems.
• Polymer Additive: Can be utilized as a monomer or additive to impart specific properties like UV stability or ionic character to polymers.

Basic Information

Product Name	2,3-Dihydro-2-Thioxo-1H-Benzimidazole-5-Sulfonic Acid Disodium Salt
CAS No.	68994-94-5
Molecular Formula	C7H4N2Na2O3S2
Molecular Weight	290.22 g/mol
Synonyms	5-Sulfo-2-mercaptobenzimidazole Disodium Salt; 2-Mercapto-5-sulfobenzimidazole Disodium Salt; 2-Thioxo-2,3-dihydro-1H-benzimidazole-5-sulfonic acid disodium salt; Benzimidazole-5-sulfonic acid, 2,3-dihydro-2-thioxo-, disodium salt; 2-Mercaptobenzimidazole-5-sulfonic Acid Sodium Salt; 2-Thiobenzimidazolesulfonic Acid Disodium Salt; 5-Sulfobenzimidazolethione Disodium Salt
EINECS	Contact for details

Quality Control

Our 2,3-Dihydro-2-Thioxo-1H-Benzimidazole-5-Sulfonic Acid Disodium Salt is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications. Certificates of Analysis (COA) documenting purity, assay, and impurity profiles are provided with every shipment to guarantee traceability and compliance for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%
Solubility (1% in Water)	Clear, colorless solution

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