Description

1,2-Dihydro-6-Hydroxy-4-Methyl-5-[(2-Methyl-4-Nitrophenyl)Azo]-2-Oxonicotinonitrile is a specialized azo dye intermediate with a complex molecular structure, offering unique chromophoric properties. This compound is valued for its ability to impart specific color characteristics and functional performance in advanced material formulations. It is primarily utilized by manufacturers in the pigment, dye, and specialty chemical industries for research and production of high-performance colorants.

Application

• Dye and Pigment Synthesis: A key intermediate for producing high-value, complex azo dyes and organic pigments.
• Specialty Inks: Used in the formulation of advanced printing inks requiring specific lightfastness and color strength.
• Functional Material Research: Serves as a building block in the development of novel materials, such as non-linear optical (NLO) materials or sensors.
• Textile Coloration: Potential application in the synthesis of dyes for synthetic fibers where specific color shades are required.
• Analytical Chemistry: May be employed as a reagent or standard in chromatographic analysis and method development.

Basic Information

Item	Detail
Product Name	1,2-Dihydro-6-Hydroxy-4-Methyl-5-[(2-Methyl-4-Nitrophenyl)Azo]-2-Oxonicotinonitrile
CAS No.	42939-86-6
Molecular Formula	C15H11N5O4
Molecular Weight	325.28 g/mol
Synonyms	6-Hydroxy-4-methyl-5-[(2-methyl-4-nitrophenyl)azo]-2-oxo-1,2-dihydropyridine-3-carbonitrile; 5-[(2-Methyl-4-nitrophenyl)azo]-6-hydroxy-4-methyl-2-oxo-1,2-dihydropyridine-3-carbonitrile; Pigment Yellow 191:1 (related lake pigment); Azo dye intermediate 42939-86-6; 2-Oxonicotinonitrile derivative; Lightfast azo compound
EINECS	Contact for details

Quality Control

Our production of 1,2-Dihydro-6-Hydroxy-4-Methyl-5-[(2-Methyl-4-Nitrophenyl)Azo]-2-Oxonicitinonitrile adheres to stringent quality management protocols. Each batch is analyzed using advanced techniques like HPLC and spectroscopy to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and support your quality assurance processes.

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, containers should be opaque or stored in darkness to maintain product integrity.

Specification

Item	Specification
Appearance	Orange to red-brown powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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