Description

n-(4-Ethoxyphenyl)-3-Hydroxy-4-[(2,4,5-Trichlorophenyl)Azo]Naphthalene-2-Carboxamide is a specialized azo dye intermediate known for its complex molecular structure and colorant properties. This compound is critical for manufacturers requiring high-purity, custom-tailored pigments and dyes with specific performance characteristics. It is primarily utilized in the production of high-performance pigments for industrial applications, including plastics, inks, and specialty coatings, where color stability and chemical resistance are paramount.

Application

• High-Performance Organic Pigments: A key intermediate in the synthesis of complex azo pigments for plastics and synthetic fibers.
• Industrial Inks: Used in the formulation of specialty printing inks requiring excellent lightfastness and chemical stability.
• Coatings and Paints: Imparts durable coloration in industrial and automotive coatings that must withstand harsh environmental conditions.
• Functional Dyes: Potential use in the development of dyes for non-textile applications, such as in optical data storage or liquid crystal displays (LCDs).
• Research & Development: Serves as a valuable building block in chemical research for developing novel chromophores and functional materials.

Basic Information

Product Name	n-(4-Ethoxyphenyl)-3-Hydroxy-4-[(2,4,5-Trichlorophenyl)Azo]Naphthalene-2-Carboxamide
CAS No.	5012-29-3
Molecular Formula	C25H17Cl3N3O3
Molecular Weight	521.78 g/mol
Synonyms	Pigment Red 247; C.I. 15915; 3-Hydroxy-4-[(2,4,5-trichlorophenyl)azo]-N-(4-ethoxyphenyl)-2-naphthalenecarboxamide; N-(4-Ethoxyphenyl)-3-hydroxy-4-[(2,4,5-trichlorophenyl)azo]-2-naphthamide; 2-Naphthalenecarboxamide, 3-hydroxy-4-[(2,4,5-trichlorophenyl)azo]-N-(4-ethoxyphenyl)-; C.I. Pigment Red 247
EINECS	225-685-9

Quality Control

Our production of n-(4-Ethoxyphenyl)-3-Hydroxy-4-[(2,4,5-Trichlorophenyl)Azo]Naphthalene-2-Carboxamide adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity. Each lot is analyzed against comprehensive specifications using advanced techniques like HPLC and spectroscopy. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are 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 and sources of ignition. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Red to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 3.0%

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