Description

4-(4-Nitrophenylazo)-1-Naphthol is an azo dye intermediate characterized by its distinct chemical structure, which is pivotal for imparting color properties. This compound is valued for its role in synthesizing high-performance pigments and dyes with excellent lightfastness and thermal stability. It is primarily sought by manufacturers in the pigments, inks, plastics, and specialty chemical industries for creating vibrant and durable colorants.

Application

• Key intermediate for the synthesis of high-performance azo pigments and dyes.
• Used in the coloration of plastics and synthetic resins to achieve stable, vibrant hues.
• Employed in the manufacturing of industrial inks, including those for printing and packaging.
• Acts as a colorant precursor in specialty coatings and paints requiring durability.
• Utilized in research and development laboratories for novel chromophore synthesis.
• Potential use as a chemical reagent or analytical standard in quality control processes.

Basic Information

Product Name	4-(4-Nitrophenylazo)-1-Naphthol
CAS No.	5290-62-0
Molecular Formula	C₁₆H₁₁N₃O₃
Molecular Weight	293.28 g/mol
Synonyms	4-[(4-Nitrophenyl)azo]-1-naphthol; 1-Naphthol, 4-[(4-nitrophenyl)azo]-; C.I. Solvent Yellow 14; Sudan Yellow G; Ceres Yellow GN; Oil Yellow G; 1-Hydroxy-4-[(4-nitrophenyl)azo]naphthalene; 4-(p-Nitrophenylazo)-1-naphthol
EINECS	226-124-2

Quality Control

Our production of 4-(4-Nitrophenylazo)-1-Naphthol adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques like HPLC and spectroscopy to verify identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, physical characteristics, 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 such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Orange to red-brown powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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