Description

4-[(2,5-Dichlorophenyl)Azo]-3-Hydroxy-n-(4-Methylphenyl)Naphthalene-2-Carboxamide is a specialized azo-based organic compound valued for its precise chromophoric properties. This chemical is engineered to deliver consistent performance as a key intermediate in the synthesis of high-performance pigments and dyes. It is primarily sought by manufacturers in the pigment, specialty chemical, and advanced materials industries for applications requiring specific color characteristics and stability.

Application

• Primary Intermediate for High-Performance Pigments: A key building block in the synthesis of organic pigments, particularly for applications demanding excellent lightfastness and thermal stability.
• Specialty Dye Manufacturing: Used in the production of specialized dyes for plastics, coatings, and inks where specific color shades and durability are required.
• Functional Colorant for Polymers: Imparts color to engineering plastics and synthetic fibers, offering good dispersion and compatibility within polymer matrices.
• Research & Development: Serves as a crucial reagent in chemical R&D for developing new chromophores and studying azo compound chemistry.
• Non-textile Coloring Applications: Potential use in coloring specialty papers, decorative laminates, and other industrial materials.

Basic Information

Product Name	4-[(2,5-Dichlorophenyl)Azo]-3-Hydroxy-n-(4-Methylphenyl)Naphthalene-2-Carboxamide
CAS No.	6410-35-1
Molecular Formula	C24H17Cl2N3O2
Molecular Weight	458.32 g/mol
Synonyms	3-Hydroxy-4-[(2,5-dichlorophenyl)azo]-N-(4-methylphenyl)-2-naphthalenecarboxamide; C.I. Pigment Red 2; Naphthol AS Red 2; Naphthol AS-RL; C.I. 12310; Permanent Red FRLL; 2-Naphthalenecarboxamide, 4-[(2,5-dichlorophenyl)azo]-3-hydroxy-N-(4-methylphenyl)-
EINECS	229-115-7

Quality Control

Our production of 4-[(2,5-Dichlorophenyl)Azo]-3-Hydroxy-n-(4-Methylphenyl)Naphthalene-2-Carboxamide adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity. Each lot is analyzed against comprehensive specifications, including identity confirmation, assay, and impurity profiling. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory compliance needs.

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	Reddish-brown 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
Related Substances (HPLC)	Individual impurity ≤ 0.5%, Total impurities ≤ 2.0%

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