Description

4-Amino-3-[(4-Aminophenyl)Azo]-5-Hydroxy-6-(Phenylazo)Naphthalene-2,7-Disulphonic Acid is a high-purity, synthetic organic compound belonging to the azo dye intermediate class. This chemical is critical for producing vivid and stable colorants, offering excellent chromophore properties for demanding applications. It is primarily utilized by manufacturers in the dye and pigment industries seeking to develop specialized color products with specific performance characteristics.

Application

• Primary intermediate for the synthesis of high-performance azo dyes and pigments.
• Key precursor in the production of textile dyes for natural and synthetic fibers.
• Used in the formulation of specialized inks for printing and packaging applications.
• Component in the manufacture of colorants for plastics and polymers.
• Intermediate for research and development of novel functional dyes with specific optical properties.
• Potential use in the synthesis of biological stains and indicators for laboratory analysis.

Basic Information

Product Name	4-Amino-3-[(4-Aminophenyl)Azo]-5-Hydroxy-6-(Phenylazo)Naphthalene-2,7-Disulphonic Acid
CAS No.	54291-12-2
Molecular Formula	C22H18N6O7S2
Molecular Weight	542.54 g/mol
Synonyms	Acid Black 210; C.I. 300310; 2,7-Naphthalenedisulfonic acid, 4-amino-3-[(4-aminophenyl)azo]-5-hydroxy-6-(phenylazo)-; 4-Amino-3-(4-aminophenylazo)-5-hydroxy-6-phenylazonaphthalene-2,7-disulfonic acid; 3-[(4-Aminophenyl)azo]-4-amino-5-hydroxy-6-(phenylazo)-2,7-naphthalenedisulfonic acid; 6-Phenylazo-4-amino-3-(4-aminophenylazo)-5-hydroxy-2,7-naphthalenedisulfonic acid; Azo Dye Intermediate 54291-12-2
EINECS	Contact for details

Quality Control

Our production of 4-Amino-3-[(4-Aminophenyl)Azo]-5-Hydroxy-6-(Phenylazo)Naphthalene-2,7-Disulphonic Acid adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure consistent purity, identity, and performance. Comprehensive Certificates of Analysis (COA) detailing assay, impurity profile, and physical specifications are available upon request to support your quality assurance and regulatory needs.

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, containers should be kept in the dark or in opaque packaging.

Specification

Item	Specification
Appearance	Dark brown to black powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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