Description

6-Hydroxy-2-[3-[(1-Hydroxy-4-Sodiosulfo-2-Naphthalenyl)Azo]Phenyl]-7-Phenylazo-1H-Naphth[1,2-D]Imidazole-8-Sulfonic Acid Sodium Salt is a high-purity, water-soluble azo dye intermediate of significant industrial importance. This compound is valued for its ability to impart vivid and durable color properties in advanced dyeing applications. It is primarily sought after by manufacturers in the textile, leather, and specialty ink industries for the synthesis of high-performance dyes and pigments.

Application

• Textile Dyeing: A key intermediate for synthesizing reactive and direct dyes for cotton, wool, and nylon, offering excellent color fastness.
• Leather Finishing: Used in the production of dyes for coloring leather goods, providing deep, uniform shades.
• Ink Manufacturing: Serves as a precursor for pigments in specialty printing inks, including inks for packaging and security applications.
• Paper Coloring: Employed in the manufacture of dyes for high-quality paper and board products.
• Research & Development: Utilized in chemical research for developing new chromophores and studying azo dye chemistry.
• Plastic and Polymer Coloring: Acts as an intermediate for colorants used in certain plastics and synthetic materials.

Basic Information

Product Name	6-Hydroxy-2-[3-[(1-Hydroxy-4-Sodiosulfo-2-Naphthalenyl)Azo]Phenyl]-7-Phenylazo-1H-Naphth[1,2-D]Imidazole-8-Sulfonic Acid Sodium Salt
CAS No.	6406-48-0
Molecular Formula	C35H22N6O8S2Na2
Molecular Weight	780.70 g/mol
Synonyms	Acid Black 210; C.I. 300310; 1H-Naphth[1,2-d]imidazole-8-sulfonic acid, 6-hydroxy-2-[3-[(1-hydroxy-4-sodiosulfo-2-naphthalenyl)azo]phenyl]-7-(phenylazo)-, sodium salt; Sodium 6-hydroxy-2-[3-[(1-hydroxy-4-sodiosulfo-2-naphthalenyl)azo]phenyl]-7-phenylazo-1H-naphth[1,2-d]imidazole-8-sulfonate; Azo Dye Intermediate 6406-48-0; Black 210; Leather Black 210
EINECS	Contact for details

Quality Control

Our production of 6-Hydroxy-2-[3-[(1-Hydroxy-4-Sodiosulfo-2-Naphthalenyl)Azo]Phenyl]-7-Phenylazo-1H-Naphth[1,2-D]Imidazole-8-Sulfonic Acid Sodium Salt adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure consistent purity, color strength, and compliance with industry specifications. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with each shipment to guarantee traceability and quality assurance for our global B2B clients.

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). This product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed when not in use to prevent degradation and moisture absorption.

Specification

Item	Specification
Appearance	Dark blue to black powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Ash Content	≤ 20.0%
Water Solubility	Freely soluble
Heavy Metals (as Pb)	≤ 20 ppm

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