Description

4-Amino-5-Hydroxy-3-[[4-[[4-[(4-Hydroxyphenyl)Azo]Phenyl]Amino]-3-Sulphophenyl]Azo]-6-(Phenylazo)Naphthalene-2,7-Disulphonic Acid is a complex, high-purity azo dye intermediate with a distinctive polyazo structure. This compound is valued for its ability to impart specific color properties and functional characteristics in advanced dye synthesis. It is primarily sought by manufacturers in the specialty dyes and pigments industry, particularly for producing high-performance colorants for textiles, inks, and other industrial applications.

Application

• Primary Intermediate for Polyazo Dyes: Serves as a critical building block in the synthesis of high-grade, complex azo dyes for textiles and leather.
• Specialty Pigment Manufacturing: Used in the production of pigments requiring specific shades, lightfastness, and thermal stability for plastics and coatings.
• Functional Dye Synthesis: A key precursor for dyes used in inkjet inks, where color purity and performance are paramount.
• Research & Development: Utilized in chemical R&D for developing novel chromophores and studying azo dye chemistry and properties.
• Analytical Chemistry: May be employed as a standard or reagent in analytical methods for dye identification and quantification.

Basic Information

Product Name	4-Amino-5-Hydroxy-3-[[4-[[4-[(4-Hydroxyphenyl)Azo]Phenyl]Amino]-3-Sulphophenyl]Azo]-6-(Phenylazo)Naphthalene-2,7-Disulphonic Acid
CAS No.	62570-24-5
Molecular Formula	C34H24N8O11S3
Molecular Weight	840.79 g/mol
Synonyms	Acid Black 210; C.I. 300310; 4-Amino-5-hydroxy-3-((4-((4-((4-hydroxyphenyl)diazenyl)phenyl)amino)-3-sulfophenyl)diazenyl)-6-(phenyldiazenyl)naphthalene-2,7-disulfonic acid; Polyazo dye intermediate; Trisazo dye intermediate; Black 210 (Acid); 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-((4-((4-((4-hydroxyphenyl)azo)phenyl)amino)-3-sulfophenyl)azo)-6-(phenylazo)-
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and high purity. Quality is verified through comprehensive analytical techniques including HPLC, UV-Vis spectroscopy, and titration methods. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each 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. Due to its light-sensitive nature, containers should be opaque or stored in darkness.

Specification

Item	Specification
Appearance	Dark colored powder or 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.