Description

3-Cyano-1-Ethyl-6-Hydroxy-4-Methyl-5-[4-(Phenylazo)Phenylazo]-2-Pyridone is a high-purity, specialized azo pyridone derivative, valued for its precise chromophoric properties and structural stability. This compound is engineered to deliver consistent performance as a key intermediate in the synthesis of advanced colorants and functional dyes. It is primarily sought by manufacturers in the pigments, dyes, and specialty chemical industries for applications demanding specific light absorption and colorfastness characteristics.

Application

• Key Intermediate for High-Performance Pigments: Serves as a critical building block in the synthesis of organic pigments, particularly azo pigments known for their vivid colors and durability.
• Specialty Dye Manufacturing: Used in the production of specialized dyes for plastics, inks, and coatings where thermal stability and color purity are paramount.
• Functional Colorant Development: Employed in research and development of novel colorants for liquid crystal displays (LCDs), optical filters, and other advanced optical materials.
• Analytical Chemistry Reagent: Can be utilized as a chromogenic agent or a standard in analytical methods for dye and pigment analysis.
• Textile Dye Synthesis: Acts as a precursor for dyes used in textile printing and dyeing processes requiring specific shade and fastness properties.

Basic Information

Item	Details
Product Name	3-Cyano-1-Ethyl-6-Hydroxy-4-Methyl-5-[4-(Phenylazo)Phenylazo]-2-Pyridone
CAS No.	111362-68-6
Molecular Formula	C22H17N7O2
Molecular Weight	411.42 g/mol
Synonyms	5-[4-(Phenylazo)phenylazo]-3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone; 3-Cyano-1-ethyl-6-hydroxy-4-methyl-5-(4-phenylazophenylazo)-2(1H)-pyridinone; Azo Pyridone Derivative; C.I. Pigment Yellow 185 (related); PY 185 Intermediate; 1-Ethyl-6-hydroxy-4-methyl-3-cyano-5-(4-phenylazophenylazo)-2-pyridone; Disperse Yellow 185 Intermediate
EINECS	Contact for details

Quality Control

Every batch of 3-Cyano-1-Ethyl-6-Hydroxy-4-Methyl-5-[4-(Phenylazo)Phenylazo]-2-Pyridone is manufactured under a strict quality management system. We ensure compliance with relevant industry standards through rigorous in-process and final testing, including identity confirmation, purity assay, and impurity profiling. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee traceability and product integrity.

Storage

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

Specification

Item	Specification
Appearance	Orange to red-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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