Benzimidazole
Description
Benzimidazole (CAS 51-17-2), also known as 1,3-Benzodiazole, is a bicyclic heterocyclic compound used across pharmaceutical synthesis, agrochemical manufacturing, and industrial preservation.
It functions primarily as a building block for active ingredients and as a ligand or catalyst precursor in chemical production processes. In pharmaceutical manufacturing, it serves as a core scaffold.
This compound is essential for synthesizing antiparasitic, antifungal, and proton pump inhibitor drug intermediates. Agrochemical producers use it as a precursor in the synthesis of fungicides and pesticides.
These active substances target crop protection markets globally. In water treatment, it contributes to biocide formulations designed to control microbial growth in industrial cooling systems and process water.
Biotechnology and research applications rely on these derivatives as ligands in catalytic systems. They are also utilized as reference compounds in assay development and specialized chemical analysis.
The product is supplied as a white to off-white crystalline powder. It is available in technical grade for industrial synthesis applications and in higher-purity grades for specific needs.
These grades are designed to meet pharmaceutical intermediate specifications for various manufacturing workflows. Packaging options typically range from kilogram quantities up to bulk drum supply.
The final delivery format depends on the intended application and purity requirement of the client. This ensures stability and quality throughout the supply chain for industrial and lab use.
Physical Properties
| Melting Point | 170.5 °C |
| Boiling Point | >360 °C |
| Density | 1.227 g/cm³ |
| Flash Point | 360°C |
| Appearance | white crystals |
| Color | Beige to brown |
| Form | Crystalline Powder or Crystals |
| Water Solubility | sparingly soluble |
| Refractive Index | 1.5500 (estimate) |
| Log P | 1.320 |
Safety & Handling (Learn More)
Trade & Regulatory
| HS Code | 29339990 |
| Storage Class | 11 - Combustible Solids |
| WGK (Germany) | 3 |
Documentation
Other Names
1H-Benzimidazole|1,3-Benzodiazole|3-Azaindole|o-Benzimidazole|Azindole
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