Description

4-(2-Pyridylazo)-N,N-Dimethylaniline is a specialized organic compound belonging to the pyridylazo dye family, valued for its strong chromogenic properties and selective chelating behavior. This compound is a critical analytical reagent, primarily used as a sensitive and selective colorimetric indicator for the detection and quantification of various metal ions. It is essential for industries and research institutions requiring precise metal analysis, quality control, and advanced material synthesis.

Application

• Spectrophotometric Reagent: A key chromogenic agent for the colorimetric determination of trace metals like cobalt, nickel, copper, and iron in analytical chemistry.
• Complexometric Indicator: Used in titrimetric analysis to indicate the endpoint in chelatometric titrations involving specific metal cations.
• Research & Development: Employed in academic and industrial R&D for developing new analytical methods, sensor technologies, and studying metal-ligand interactions.
• Environmental Testing: Applied in the analysis of water, soil, and industrial effluent samples for heavy metal contamination.
• Pharmaceutical Analysis: Utilized in the quality control of raw materials and finished products where metal impurity profiling is required.
• Material Science: Serves as a ligand or a precursor in the synthesis of coordination polymers and functional materials.

Basic Information

Product Name	4-(2-Pyridylazo)-N,N-Dimethylaniline
CAS No.	13103-75-8
Molecular Formula	C13H14N4
Molecular Weight	226.28 g/mol
Synonyms	4-(2-Pyridylazo)-N,N-dimethylaniline; N,N-Dimethyl-4-(2-pyridylazo)aniline; 2-(4-Dimethylaminophenylazo)pyridine; PADAP; 4-(2-Pyridylazo)-N,N-dimethylbenzenamine; 2-Pyridylazodimethylaniline; 4-Dimethylamino-2-pyridylazobenzene; Azopyridine dye
EINECS	Contact for details

Quality Control

Our 4-(2-Pyridylazo)-N,N-Dimethylaniline is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity, which is critical for reliable analytical results. Each lot is subjected to comprehensive testing including identification, assay, and impurity profiling. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain stability.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (IR)	Conforms to structure
Assay (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.