Description

2-(2-Pyridylazo)-5-Dimethylaminophenol CAS NO 50783-80-7 is a high-purity analytical reagent and a versatile chromogenic agent used in sensitive spectrophotometric determinations. Its primary value lies in its ability to form stable, intensely colored complexes with various metal ions, enabling precise quantitative analysis. This compound is essential for researchers and quality control laboratories in the chemical, pharmaceutical, and environmental sectors requiring accurate trace metal detection.

Application

• Spectrophotometric Reagent: Used as a sensitive colorimetric indicator for the determination of trace metals like cobalt, nickel, copper, and iron in various matrices.
• Analytical Chemistry: Serves as a key component in developing and validating analytical methods for environmental monitoring of water and soil samples.
• Pharmaceutical QC: Employed in the analysis of active pharmaceutical ingredients (APIs) and finished products for heavy metal impurities to ensure compliance with pharmacopeial standards (e.g., ICH Q3D).
• Industrial Process Control: Utilized for monitoring metal ion concentrations in chemical manufacturing processes, electroplating baths, and catalyst systems.
• Research & Development: A valuable tool in academic and industrial R&D for studying metal-ligand interactions and developing new chelation-based detection systems.
• Geochemical Analysis: Applied in the analysis of geological samples for specific metal content.

Basic Information

Product Name	2-(2-Pyridylazo)-5-Dimethylaminophenol
CAS No.	50783-80-7
Molecular Formula	C13H14N4O
Molecular Weight	242.28 g/mol
Synonyms	5-Dimethylamino-2-(2-pyridylazo)phenol; 2-(2-Pyridylazo)-5-(dimethylamino)phenol; PDAP; PADAP; 2-(2-Pyridylazo)-5-dimethylaminophenol; 2-Pyridylazo-5-dimethylaminophenol; 2-(2-Pyridylazo)-5-(N,N-dimethylamino)phenol; α-Pyridyl-β-(5-dimethylaminophenyl)azomethine
EINECS	Contact for details

Quality Control

Our 2-(2-Pyridylazo)-5-Dimethylaminophenol is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation (IR), to ensure it meets the high standards required for analytical and research applications. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Orange to red-brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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