Description

4-[(2,4-Dichlorophenyl)Azo]-3-Hydroxy-n-(2-Methylphenyl)Naphthalene-2-Carboxamide is a specialized azo dye intermediate known for its complex molecular structure and precise chromophoric properties. This compound is critical for synthesizing high-performance pigments and dyes that require excellent lightfastness and thermal stability. It is primarily utilized by manufacturers in the colorant, plastics, and specialty chemical industries seeking to produce vivid, durable colors for demanding applications.

Application

• Primary Intermediate for High-Performance Pigments: Serves as a key building block in the synthesis of organic pigments, particularly for applications requiring red to violet shades.
• Plastics and Polymer Coloring: Used in the coloration of engineering plastics, synthetic fibers, and masterbatches where heat resistance and color consistency are paramount.
• Specialty Dyes for Coatings and Inks: Employed in the formulation of industrial coatings, automotive paints, and high-quality printing inks that demand superior weatherability.
• Research and Development: Acts as a valuable chemical entity in R&D laboratories for developing new colorants and studying structure-property relationships in dye chemistry.
• Functional Additives: Potential use in the development of functional materials where its specific molecular architecture can impart desired optical or electronic properties.

Basic Information

Product Name	4-[(2,4-Dichlorophenyl)Azo]-3-Hydroxy-n-(2-Methylphenyl)Naphthalene-2-Carboxamide
CAS No.	94276-08-1
Molecular Formula	C24H16Cl2N4O2
Molecular Weight	463.31 g/mol
Synonyms	4-[(2,4-Dichlorophenyl)azo]-3-hydroxy-N-(2-methylphenyl)-2-naphthalenecarboxamide; 3-Hydroxy-4-[(2,4-dichlorophenyl)azo]-N-(2-methylphenyl)-2-naphthamide; C.I. Pigment Red 268; PR 268; Naphthamide-based azo pigment intermediate; Azo dye intermediate for red pigments; 2-Naphthalenecarboxamide derivative
EINECS	Contact for details

Quality Control

Our production of 4-[(2,4-Dichlorophenyl)Azo]-3-Hydroxy-n-(2-Methylphenyl)Naphthalene-2-Carboxamide adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and consistent performance in downstream synthesis. Certificates of Analysis (COA) documenting all critical parameters are provided as standard to guarantee traceability and quality assurance for industrial users.

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. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Reddish-brown to violet powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Typical 98.0-99.5%)
Loss on Drying	≤ 1.0%
Residue on Ignition (Sulfated Ash)	≤ 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.