Description

1-(2-Ethylhexyl)-1,2-Dihydro-6-Hydroxy-4-Methyl-5-[(2-Nitrophenyl)Azo]-2-Oxonicotinonitrile is a specialized azo dye intermediate characterized by its complex molecular structure, which imparts specific chromophoric and functional properties. This compound is crucial for synthesizing high-performance pigments and dyes that require excellent lightfastness and thermal stability. It is primarily sought after by manufacturers in the pigments, advanced coatings, and specialty polymers industries for developing products with vibrant, durable coloration.

Application

• Primary Intermediate for High-Performance Pigments: Used in the synthesis of organic pigments for automotive coatings, industrial paints, and plastics requiring superior weather resistance.
• Specialty Dye Manufacturing: Serves as a key precursor for producing dyes used in inks, textiles, and other materials where color intensity and stability are critical.
• Functional Additive for Polymers: Can be incorporated into polymer matrices to provide color and potentially influence material properties in engineering plastics.
• Research & Development: Utilized in chemical R&D for developing new chromophores and studying structure-property relationships in dye chemistry.
• Non-textile Colorants: Potential applications in the coloration of specialty papers, leather, and other non-textile substrates.

Basic Information

Item	Detail
Product Name	1-(2-Ethylhexyl)-1,2-Dihydro-6-Hydroxy-4-Methyl-5-[(2-Nitrophenyl)Azo]-2-Oxonicotinonitrile
CAS No.	51249-07-1
Molecular Formula	C21H25N5O3
Molecular Weight	395.46 g/mol
Synonyms	6-Hydroxy-4-methyl-5-[(2-nitrophenyl)azo]-1-(2-ethylhexyl)-2-oxo-1,2-dihydropyridine-3-carbonitrile; CI 12715; Pigment Yellow 151; Azo dye intermediate PY151; 5-[(2-Nitrophenyl)azo]-6-hydroxy-4-methyl-1-(2-ethylhexyl)-2-oxo-1,2-dihydro-3-pyridinecarbonitrile; 1-(2-Ethylhexyl)-6-hydroxy-4-methyl-5-[(2-nitrophenyl)azo]-2-oxo-1,2-dihydropyridine-3-carbonitrile
EINECS	Contact for details

Quality Control

Our production of 1-(2-Ethylhexyl)-1,2-Dihydro-6-Hydroxy-4-Methyl-5-[(2-Nitrophenyl)Azo]-2-Oxonicotinonitrile adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity. Each lot undergoes comprehensive analysis, including HPLC for assay and impurity profiling, IR spectroscopy for structural confirmation, and colorimetric strength testing. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to 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 heat sources and incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Yellow to orange 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
Specific Impurities (HPLC)	Individual ≤ 0.5%, Total ≤ 1.5%

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