Description

2,4-Dihydroxy-5-(2-Benzimidazolylazo)Benzoic Acid is a specialized azo dye derivative characterized by its benzimidazole and benzoic acid functional groups. This compound is valued for its strong chelating properties and chromogenic behavior, making it a critical reagent in analytical chemistry and materials science. It is primarily sought by manufacturers and research laboratories in the chemical synthesis, dye, and analytical reagent sectors for developing sensitive detection methods and functional materials.

Application

• Analytical Reagent: Used as a selective chromogenic agent and complexometric indicator for the spectrophotometric determination of trace metal ions.
• Chemical Synthesis: Serves as a key intermediate in the synthesis of more complex azo dyes and pigments with specific light-absorption properties.
• Research & Development: Employed in academic and industrial R&D for studying coordination chemistry, developing new sensor materials, and photophysical applications.
• Dye Manufacturing: Acts as a precursor for producing specialized dyes used in niche applications requiring specific chelation or color fastness.
• Laboratory Standards: Utilized to prepare certified reference materials (CRMs) for calibrating analytical instruments and validating test methods.

Basic Information

Product Name	2,4-Dihydroxy-5-(2-Benzimidazolylazo)Benzoic Acid
CAS No.	97420-57-0
Molecular Formula	C₁₄H₁₀N₄O₄
Molecular Weight	298.25 g/mol
Synonyms	5-(2-Benzimidazolylazo)-2,4-dihydroxybenzoic acid; 2,4-Dihydroxy-5-(2-benzimidazolylazo)benzoic acid; Benzoic acid, 2,4-dihydroxy-5-(2-benzimidazolylazo)-; 97420-57-0; Azo dye derivative based on benzimidazole; BIAB Acid; Chromogenic benzimidazole azo compound
EINECS	Contact for details

Quality Control

Our 2,4-Dihydroxy-5-(2-Benzimidazolylazo)Benzoic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Orange to red-brown powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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