Description

5-[(4-Chloro-2-Nitrophenyl)Azo]-1-Ethyl-1,2-Dihydro-6-Hydroxy-4-Methyl-2-Oxonicotinonitrile is a specialized azo dye intermediate of significant commercial importance. This compound is valued for its role in synthesizing high-performance pigments and dyes, offering excellent color properties and stability. It is primarily required by manufacturers in the colorant, textile, and specialty chemical industries for producing vibrant and durable colorants.

Application

• Primary Intermediate for Azo Pigments: Serves as a key building block in the synthesis of high-performance organic pigments, particularly yellows, oranges, and reds.
• Textile Dye Manufacturing: Used in the production of dyes for coloring synthetic and natural fibers, offering good light and wash fastness.
• Plastics and Polymer Coloring: Incorporated into masterbatches and compounds for coloring plastics, resins, and engineering polymers.
• Ink Formulations: A crucial component in the manufacture of industrial and specialty printing inks, including packaging inks.
• Research & Development: Employed in chemical R&D for developing novel chromophores and studying azo dye chemistry.
• Specialty Coatings: Used in the formulation of high-performance coatings where specific color strength and durability are required.

Basic Information

Item	Details
Product Name	5-[(4-Chloro-2-Nitrophenyl)Azo]-1-Ethyl-1,2-Dihydro-6-Hydroxy-4-Methyl-2-Oxonicotinonitrile
CAS No.	70528-90-4
Molecular Formula	C15H12ClN5O4
Molecular Weight	361.74 g/mol
Synonyms	5-[(4-Chloro-2-nitrophenyl)azo]-1-ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarbonitrile; C.I. Pigment Yellow 183; PY 183; 1-Ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-5-[(4-chloro-2-nitrophenyl)azo]-3-pyridinecarbonitrile; 3-Pyridinecarbonitrile, 5-[(4-chloro-2-nitrophenyl)azo]-1-ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-; Azo dye intermediate 70528-90-4
EINECS	Contact for details

Quality Control

Our production of 5-[(4-Chloro-2-Nitrophenyl)Azo]-1-Ethyl-1,2-Dihydro-6-Hydroxy-4-Methyl-2-Oxonicotinonitrile adheres to stringent quality management systems. Every batch undergoes rigorous analytical testing to ensure consistent purity, color strength, and chemical identity. Certificates of Analysis (COA) detailing assay, impurity profile, and physical specifications are provided to guarantee compliance with your technical requirements.

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. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	Orange to red powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Ash Content	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in DMF, DMSO; slightly soluble in common organic solvents

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