Description

4-[(4-Chloro-2-Nitrophenyl)Azo]-3-Hydroxy-n-(2-Methylphenyl)Naphthalene-2-Carboxamide is a specialized azo dye intermediate known for its distinct chromophoric properties. This compound is critical for synthesizing high-performance pigments and dyes with excellent color strength and stability. It is primarily required by manufacturers in the pigment, textile dyeing, and specialty chemical industries for producing vivid and durable colorants.

Application

• Primary Intermediate for Azo Pigments: Serves as a key building block in the synthesis of high-performance organic pigments, particularly for 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 for coloring plastics, resins, and polymers where thermal stability is required.
• Inks and Coatings: Formulated into industrial inks, paints, and coatings to provide intense and stable coloration.
• Research and Development: Utilized in chemical R&D for developing new chromophores and studying structure-property relationships in dye chemistry.
• Specialty Chemical Synthesis: Acts as a precursor for more complex chemical entities in pharmaceutical and agrochemical research.

Basic Information

Item	Details
Product Name	4-[(4-Chloro-2-Nitrophenyl)Azo]-3-Hydroxy-n-(2-Methylphenyl)Naphthalene-2-Carboxamide
CAS No.	6471-50-7
Molecular Formula	C24H17ClN4O4
Molecular Weight	460.87 g/mol
Synonyms	Pigment Yellow 1; C.I. 11680; 4-[(4-Chloro-2-nitrophenyl)azo]-3-hydroxy-N-(2-methylphenyl)-2-naphthalenecarboxamide; 3-Hydroxy-4-[(4-chloro-2-nitrophenyl)azo]-N-(2-methylphenyl)-2-naphthamide; Hansa Yellow G; Arylide Yellow G; Monoarylide Yellow G; Permanent Yellow G
EINECS	229-304-4

Quality Control

Our production of 4-[(4-Chloro-2-Nitrophenyl)Azo]-3-Hydroxy-n-(2-Methylphenyl)Naphthalene-2-Carboxamide adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity. The material is tested against established specifications for identity, strength, and impurity profiles. Certificates of Analysis (COA) detailing all quality parameters are provided with each 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)	≥ 95.0%
Loss on Drying	≤ 2.0%
Ash Content	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in organic solvents

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