Description

4-[(4-Chloro-2-Methylphenyl)Azo]-n-(Dimethylphenyl)-3-Hydroxynaphthalene-2-Carboxamide 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 pigments, plastics, inks, and specialty coatings industries seeking to produce vibrant and durable colors.

Application

• Primary Intermediate for Organic Pigments: A key building block in the synthesis of high-performance azo pigments, particularly for yellows, oranges, and reds.
• Plastics and Polymer Coloring: Used to impart stable and vivid coloration to various engineering plastics and polymers.
• Industrial and Printing Inks: Essential for formulating inks that require excellent lightfastness and chemical resistance.
• Automotive and Industrial Coatings: Contributes to the production of durable pigments used in coatings that must withstand harsh environmental conditions.
• Textile Dye Precursor: Serves as an intermediate in the manufacture of dyes for synthetic fibers.
• Specialty Chemical Synthesis: Utilized in research and development for creating novel chromophores and functional materials.

Basic Information

Product Name	4-[(4-Chloro-2-Methylphenyl)Azo]-n-(Dimethylphenyl)-3-Hydroxynaphthalene-2-Carboxamide
CAS No.	93904-90-6
Molecular Formula	C26H21ClN4O2
Molecular Weight	456.93 g/mol
Synonyms	Pigment Yellow 191; C.I. 12995; 4-[(4-Chloro-2-methylphenyl)azo]-N-(2,4-dimethylphenyl)-3-hydroxy-2-naphthamide; 3-Hydroxy-4-[(4-chloro-2-methylphenyl)azo]-N-(2,4-dimethylphenyl)-2-naphthamide; N-(2,4-Dimethylphenyl)-3-hydroxy-4-[(4-chloro-o-tolyl)azo]-2-naphthamide; Azo Pigment Intermediate 93904-90-6; 4-[(4-Chloro-2-methylphenyl)azo]-N-(2,4-dimethylphenyl)-3-hydroxynaphthalene-2-carboxamide
EINECS	Contact for details

Quality Control

Our production of this azo intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling. Certificates of Analysis (COA) detailing identity, purity, and related substances 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 incompatible materials and sources of ignition.

Specification

Item	Specification
Appearance	Yellow to Orange Powder
Identification (IR)	Conforms to Standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (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.