Description

5-Amino-8-[(2-Chlorophenyl)Azo]-2-Naphthalenol is a specialized azo dye intermediate known for its distinct chromophoric properties. This compound is valued for its role in synthesizing high-performance pigments and dyes with excellent color strength and stability. It is primarily required by manufacturers in the pigments, dyes, and specialty chemical industries for producing colors used in inks, plastics, and coatings.

Application

• Primary Intermediate for Azo Pigments: Serves as a key building block in the synthesis of high-performance organic pigments, particularly yellows, oranges, and reds.
• Dye Manufacturing: Used in the production of solvent dyes and disperse dyes for coloring plastics, synthetic fibers, and polymers.
• Industrial Inks: Employed in the formulation of pigments for printing inks, including packaging and publication inks, due to its color fastness.
• Coatings and Paints: Imparts durable coloration to industrial and automotive coatings where light and weather resistance are critical.
• Plastics and Masterbatch Coloring: Used to color a variety of thermoplastic and thermoset materials during processing.
• Research & Development: Acts as a chemical reagent in academic and industrial R&D for developing new chromogenic materials and studying azo chemistry.

Basic Information

Product Name	5-Amino-8-[(2-Chlorophenyl)Azo]-2-Naphthalenol
CAS No.	68109-78-4
Molecular Formula	C₁₆H₁₁ClN₄O
Molecular Weight	310.74 g/mol
Synonyms	5-Amino-8-[(2-chlorophenyl)diazenyl]naphthalen-2-ol; 2-Naphthalenol, 5-amino-8-[(2-chlorophenyl)azo]-; C.I. 37020; Azoic Diazo Component 44; 2-Chloro-5-aminobenzeneazo-2-naphthol; 5-Amino-8-(2-chlorophenylazo)-2-naphthol; 2-Hydroxy-5-amino-8-(2-chlorophenylazo)naphthalene
EINECS	Contact for details

Quality Control

Our production of 5-Amino-8-[(2-Chlorophenyl)Azo]-2-Naphthalenol adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and melting point determination, to ensure consistency and meet customer specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request 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. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Dark red to brown powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.