Description

2-(5-Bromo-2-Pyridylazo)-5-Dimethylaminophenol is a high-purity chromogenic reagent and analytical standard critical for sensitive metal ion detection and quantification. This compound matters because it provides exceptional selectivity and sensitivity as a complexometric indicator in spectrophotometric analysis, enabling precise measurement of trace elements. It is primarily needed by analytical laboratories, chemical manufacturers, and R&D facilities in the environmental monitoring, pharmaceutical quality control, and metallurgical analysis sectors. Our supply ensures consistent performance for demanding applications requiring reliable and reproducible results.

Application

• Spectrophotometric Reagent: Used as a sensitive chromogenic agent for the colorimetric determination of transition and heavy metal ions (e.g., cobalt, nickel, copper).
• Analytical Chemistry Standard: Serves as a certified reference material (CRM) for calibrating instruments and validating analytical methods in quality control labs.
• Research & Development: Employed in developing new chelation-based assays, sensor technologies, and separation techniques in academic and industrial R&D.
• Environmental Testing: Applied in the analysis of water, soil, and industrial waste samples for trace metal contamination.
• Pharmaceutical Analysis: Utilized in the detection and quantification of metal catalysts or impurities in active pharmaceutical ingredients (APIs) and drug products.
• Metallurgy & Material Science: Assists in the compositional analysis of alloys, coatings, and advanced materials.

Basic Information

Product Name	2-(5-Bromo-2-Pyridylazo)-5-Dimethylaminophenol
CAS No.	50783-82-9
Molecular Formula	C13H13BrN4O
Molecular Weight	321.18 g/mol
Synonyms	5-Br-PADAP; 2-(5-Bromo-2-pyridylazo)-5-(dimethylamino)phenol; 5-Bromo-2-pyridylazo-5-diethylaminophenol (common alias); 2-(5-Bromopyridin-2-yl)azo-5-(dimethylamino)phenol; Br-PADAP; 5-Bromo-PADAP; 2-(5-Bromo-2-pyridylazo)-5-dimethylaminophenol; Azo dye reagent for metals
EINECS	Contact for details

Quality Control

Every batch of 2-(5-Bromo-2-Pyridylazo)-5-Dimethylaminophenol undergoes rigorous quality testing to ensure compliance with industry standards for analytical reagents. Our quality management system ensures traceability and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your regulatory and quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its light-sensitive nature and tendency to be easily oxidized, prolonged exposure to light and air should be avoided. For long-term storage, consider under an inert atmosphere.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Solubility Test	Clear solution in specified solvents

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