Description

4-[(3-Chlorophenyl)Azo]-3-Hydroxy-n-(2-Methylphenyl)Naphthalene-2-Carboxamide is a specialized azo dye intermediate and a high-purity organic pigment. This compound is valued for its ability to impart specific color properties and its role as a key building block in the synthesis of complex colorants. It is primarily required by manufacturers in the pigments and dyes industry, as well as by research institutions developing advanced materials and analytical standards.

Application

• Primary intermediate in the synthesis of high-performance organic pigments and dyes.
• Key component for producing colorants used in industrial inks, paints, and coatings.
• Research and development of novel chromophores for advanced material science applications.
• Manufacturing of color filters and specialty optical materials.
• Used as a standard or reference material in analytical chemistry and quality control laboratories.
• Potential applications in the development of sensors and non-linear optical materials.

Basic Information

Product Name	4-[(3-Chlorophenyl)Azo]-3-Hydroxy-n-(2-Methylphenyl)Naphthalene-2-Carboxamide
CAS No.	21889-25-8
Molecular Formula	C24H18ClN3O2
Molecular Weight	415.87 g/mol
Synonyms	3-Hydroxy-4-[(3-chlorophenyl)azo]-N-(2-methylphenyl)-2-naphthalenecarboxamide; C.I. Pigment Red 2; Naphthol AS-KB; 21889-25-8; 3-Hydroxy-N-(2-methylphenyl)-4-[(3-chlorophenyl)azo]-2-naphthamide; Azoic Coupling Component 2; 2-Naphthamide, 3-hydroxy-4-[(3-chlorophenyl)azo]-N-(2-methylphenyl)-
EINECS	Contact for details

Quality Control

Our 4-[(3-Chlorophenyl)Azo]-3-Hydroxy-n-(2-Methylphenyl)Naphthalene-2-Carboxamide is produced under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure high purity, consistent color strength, and batch-to-batch uniformity. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided to guarantee compliance with your specific 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. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Red to brownish-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 organic solvents (e.g., DMF, DMSO)

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