Description

n-(3-Ethoxypropyl)-3-Hydroxy-4-[(2-Nitrophenyl)Azo]Naphthalene-2-Carboxamide is a specialized azo dye intermediate known for its distinct chromophoric properties. This compound is critical for synthesizing high-performance pigments and dyes that require excellent color strength and specific light-fastness characteristics. It is primarily utilized by manufacturers in the pigments, advanced coatings, and specialty polymers industries seeking to develop custom colorants with precise technical specifications.

Application

• High-Performance Pigment Synthesis: A key intermediate for producing organic pigments used in automotive paints, industrial coatings, and plastics.
• Specialty Dye Manufacturing: Used in the formulation of dyes for textiles, inks, and other applications requiring a specific shade of yellow/orange/red.
• Functional Colorants: Development of colorants for advanced materials, including liquid crystal displays (LCDs) and optical filters.
• Research & Development: Serves as a building block in chemical research for novel chromophores and materials science applications.
• Polymer Color Masterbatch: Used in the production of color concentrates for engineering plastics and synthetic fibers.

Basic Information

Product Name	n-(3-Ethoxypropyl)-3-Hydroxy-4-[(2-Nitrophenyl)Azo]Naphthalene-2-Carboxamide
CAS No.	63074-58-8
Molecular Formula	C22H24N4O5
Molecular Weight	424.45 g/mol
Synonyms	3-Hydroxy-4-[(2-nitrophenyl)azo]-N-(3-ethoxypropyl)-2-naphthalenecarboxamide; C.I. Solvent Yellow 83; Solvent Yellow 83; Azo Dye Intermediate 63074-58-8; 2-Naphthalenecarboxamide, 3-hydroxy-4-[(2-nitrophenyl)azo]-N-(3-ethoxypropyl)-; N-(3-Ethoxypropyl)-3-hydroxy-4-[(2-nitrophenyl)diazenyl]naphthalene-2-carboxamide
EINECS	Contact for details

Quality Control

Our production of n-(3-Ethoxypropyl)-3-Hydroxy-4-[(2-Nitrophenyl)Azo]Naphthalene-2-Carboxamide adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques like HPLC and NMR to verify identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical characteristics 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 a controlled room temperature (15-25°C). Keep away from heat sources and incompatible materials. The container must be kept tightly sealed to protect the product from moisture.

Specification

Item	Specification
Appearance	Orange to red powder or crystalline solid
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.