Description

3-[(4-Hydroxyphenyl)Azo]-2-Pyridinol CAS NO 22280-52-0 is a specialized azo dye intermediate characterized by its distinct molecular structure, which is critical for imparting specific color and functional properties. This compound matters for its role as a precise chemical building block in the synthesis of high-performance dyes and pigments, where consistency and purity directly impact final product quality. It is primarily needed by manufacturers in the colorant, specialty chemical, and advanced materials industries seeking reliable intermediates for research and production.

Application

• Primary intermediate in the synthesis of azo dyes and pigments for textiles, inks, and plastics.
• Key precursor for developing specialty colorants used in high-value applications.
• Research and development chemical for novel functional materials and photonic applications.
• Potential use in the formulation of analytical reagents and indicators for laboratory use.
• Component in the production of customized dyes for niche industrial and artistic markets.

Basic Information

Product Name	3-[(4-Hydroxyphenyl)Azo]-2-Pyridinol
CAS No.	22280-52-0
Molecular Formula	C11H9N3O2
Molecular Weight	215.21 g/mol
Synonyms	3-[(4-Hydroxyphenyl)diazenyl]pyridin-2-ol; 2-Pyridinol, 3-[(4-hydroxyphenyl)azo]-; 3-(p-Hydroxyphenylazo)-2-pyridinol; 3-(4-Hydroxyphenylazo)-2-hydroxypyridine; Azo Dye Intermediate 22280-52-0; p-Hydroxyazopyridinol
EINECS	Contact for details

Quality Control

Our 3-[(4-Hydroxyphenyl)Azo]-2-Pyridinol is produced under a rigorous quality management system to ensure batch-to-batch consistency and high purity. Each lot is subjected to comprehensive analytical testing, including identity confirmation and purity assay. Certificates of Analysis (COA) documenting all test results are available upon request to support your quality assurance and regulatory 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. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Orange to red powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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