Description

n-(5-Chloro-2-Methylphenyl)-3-Hydroxy-4-[(2-Methyl-5-Nitrophenyl)Azo]-2-Naphthalenecarboxamide CAS NO 6358-59-4 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 colorant, ink, and specialty coatings industries seeking to produce vivid and durable hues.

Application

• Key intermediate in the synthesis of high-performance azo pigments and dyes.
• Used in the manufacturing of colorants for industrial inks, including printing and packaging inks.
• Employed in the production of pigments for plastics and synthetic fibers.
• Applicable in the formulation of specialty coatings and paints requiring specific chromatic properties.
• Potential use in the research and development of novel functional dyes for non-textile applications.
• Serves as a critical building block in fine chemical synthesis for advanced material science.

Basic Information

Product Name	n-(5-Chloro-2-Methylphenyl)-3-Hydroxy-4-[(2-Methyl-5-Nitrophenyl)Azo]-2-Naphthalenecarboxamide
CAS No.	6358-59-4
Molecular Formula	C25H19ClN4O4
Molecular Weight	474.90 g/mol
Synonyms	Pigment Red 187; C.I. 12486; 3-Hydroxy-4-[(2-methyl-5-nitrophenyl)azo]-N-(5-chloro-2-methylphenyl)-2-naphthamide; 2-Naphthalenecarboxamide, N-(5-chloro-2-methylphenyl)-3-hydroxy-4-[(2-methyl-5-nitrophenyl)azo]-; C.I. Pigment Red 187; Azo Pigment Intermediate 6358-59-4
EINECS	228-787-5

Quality Control

Our production of this azo intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and high purity. The material is characterized using advanced analytical techniques including HPLC and spectroscopic methods. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is 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. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Red to dark red 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

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