Description

n-(2,5-Dichlorophenyl)-3-Hydroxy-4-[[2-Methoxy-5-[(Phenylamino)Carbonyl]Phenyl]Azo]Naphthalene-2-Carboxamide is a high-purity, complex azo dye intermediate and specialty chemical compound. This product is valued for its precise molecular structure, which is critical for synthesizing high-performance pigments and dyes with specific coloristic and fastness properties. It is primarily required by manufacturers in the pigments, dyes, specialty inks, and advanced materials sectors seeking reliable, consistent raw materials for their formulations.

Application

• High-Performance Pigment Synthesis: A key intermediate for producing complex organic pigments requiring excellent thermal stability and lightfastness.
• Specialty Dye Manufacturing: Used in the synthesis of azo dyes for applications demanding specific color shades and durability.
• Advanced Material Research: Serves as a building block in the development of functional dyes for optoelectronics, such as in dye-sensitized solar cells (DSSCs).
• Industrial Ink Formulations: Employed in the production of specialty inks for printing, coatings, and plastics where color consistency is paramount.
• Chemical Research & Development: Used as a reference standard or starting material in organic synthesis and analytical chemistry laboratories.

Basic Information

Product Name	n-(2,5-Dichlorophenyl)-3-Hydroxy-4-[[2-Methoxy-5-[(Phenylamino)Carbonyl]Phenyl]Azo]Naphthalene-2-Carboxamide
CAS No.	68133-42-6
Molecular Formula	C31H21Cl2N4O4
Molecular Weight	584.43 g/mol
Synonyms	Pigment Yellow 191; C.I. 18795; 3-Hydroxy-4-((2-methoxy-5-(phenylcarbamoyl)phenyl)azo)-N-(2,5-dichlorophenyl)-2-naphthamide; 68133-42-6; C.I. Pigment Yellow 191; PY 191; Yellow 191; N-(2,5-Dichlorophenyl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]-2-naphthalenecarboxamide
EINECS	Contact for details

Quality Control

Our production of n-(2,5-Dichlorophenyl)-3-Hydroxy-4-[[2-Methoxy-5-[(Phenylamino)Carbonyl]Phenyl]Azo]Naphthalene-2-Carboxamide adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting industry and customer-specific specifications. Comprehensive Certificates of Analysis (COA) documenting all critical parameters are provided to guarantee traceability, consistency, and compliance.

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 heat sources and incompatible materials. Due to its light-sensitive nature, containers should be opaque or stored in darkness to maintain product integrity.

Specification

Item	Specification
Appearance	Yellow to Orange Powder
Identification (IR)	Conforms to Standard
Purity (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.