Description

2-(3,5-Dibromo-2-Pyridylazo)-5-Dimethylaminobenzoic Acid is a specialized chromogenic reagent and analytical standard primarily used as a highly sensitive and selective complexing agent for trace metal analysis. This compound matters for its critical role in enabling precise spectrophotometric and colorimetric detection of specific metal ions in complex matrices. Industries requiring advanced analytical chemistry, such as environmental monitoring, pharmaceutical quality control, and metallurgical research, need this high-purity reagent to ensure accurate and reliable test results.

Application

• Spectrophotometric Reagent: Used as a selective chromogenic agent for the quantitative determination of trace metals like cobalt, nickel, and copper via UV-Vis spectroscopy.
• Analytical Chemistry Standard: Serves as a high-purity reference standard for method development and calibration in instrumental analysis.
• Environmental Testing: Employed in laboratories for detecting and quantifying heavy metal contaminants in water, soil, and industrial effluent samples.
• Pharmaceutical Analysis: Utilized in the quality control of active pharmaceutical ingredients (APIs) and raw materials for trace metal impurity profiling.
• Research & Development: Applied in academic and industrial R&D for studying metal-ligand interactions and developing new analytical methodologies.
• Geochemical Analysis: Aids in the analysis of metal content in geological and mineralogical samples.

Basic Information

Product Name	2-(3,5-Dibromo-2-Pyridylazo)-5-Dimethylaminobenzoic Acid
CAS No.	72833-87-5
Molecular Formula	C14H12Br2N4O2
Molecular Weight	452.08 g/mol
Synonyms	3,5-DiBr-PAAB; 3,5-Dibromo-PAAB; 2-(3,5-Dibromo-2-pyridylazo)-5-(dimethylamino)benzoic acid; 5-Dimethylamino-2-(3,5-dibromo-2-pyridylazo)benzoic acid; DBPAAB; PAAB derivative; Chromogenic reagent for metals; EINECS Contact for details

Quality Control

Our 2-(3,5-Dibromo-2-Pyridylazo)-5-Dimethylaminobenzoic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the high standards required for analytical applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment and is available upon request.

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). Keep the container tightly sealed to protect this light-sensitive compound from moisture and atmospheric contaminants.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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