Description

6-Amino-5-[(2,5-Dichlorophenyl)Azo]-4-Hydroxynaphthalene-2-Sulphonic Acid is a specialized azo dye intermediate characterized by its distinct molecular structure. This compound is valued for its role in synthesizing high-performance pigments and dyes with excellent color properties and stability. It is primarily utilized by manufacturers in the textile, ink, and specialty chemical industries seeking to produce vivid and durable colorants.

Application

• Primary intermediate for the synthesis of azo disperse dyes and pigments used in textile coloration.
• Key component in manufacturing colorants for inks, including those for packaging and industrial printing.
• Used in the production of specialty dyes for plastics and synthetic fibers.
• Potential precursor for research and development of novel functional dyes with specific optical properties.
• Employed in laboratory settings for analytical chemistry as a chromogenic reagent or standard.
• May serve as a building block for high-value fine chemicals in advanced material science.

Basic Information

Product Name	6-Amino-5-[(2,5-Dichlorophenyl)Azo]-4-Hydroxynaphthalene-2-Sulphonic Acid
CAS No.	68227-43-0
Molecular Formula	C₁₆H₁₀Cl₂N₄O₄S
Molecular Weight	425.25 g/mol
Synonyms	6-Amino-5-[(2,5-dichlorophenyl)diazenyl]-4-hydroxynaphthalene-2-sulfonic acid; 2-Naphthalenesulfonic acid, 6-amino-5-[(2,5-dichlorophenyl)azo]-4-hydroxy-; C.I. 37020; Azo dye intermediate 68227-43-0; 5-[(2,5-Dichlorophenyl)azo]-6-amino-4-hydroxy-2-naphthalenesulfonic acid; 4-Hydroxy-6-amino-5-[(2,5-dichlorophenyl)azo]-2-naphthalenesulfonic acid
EINECS	Contact for details

Quality Control

Our production of 6-Amino-5-[(2,5-Dichlorophenyl)Azo]-4-Hydroxynaphthalene-2-Sulphonic Acid adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure consistent purity, identity, and performance. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical specifications is provided with each shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure containers are kept sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Dark brown to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%

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