Description

6-Hydroxy-2-[3-[(1-Hydroxy-4-Sodiosulfo-2-Naphthalenyl)Azo]Phenyl]-7-[(2-Methylphenyl)Azo]-1H-Naphth[1,2-D]Imidazole-8-Sulfonic Acid Sodium Salt is a high-purity, complex azo dye intermediate essential for producing vivid and durable colorants. Its value lies in its ability to impart specific, stable hues and functional properties to advanced materials. This compound is critically needed by manufacturers in the textile, ink, and specialty polymer industries seeking to develop high-performance pigments and dyes.

Application

• Primary application as a key intermediate in the synthesis of high-performance, metal-complex azo dyes and pigments.
• Manufacturing of specialized colorants for textile fibers, particularly for nylon, silk, and wool, offering excellent wash and light fastness.
• Production of inks for jet printing and security printing applications requiring precise color formulation and stability.
• Use in the formulation of functional dyes for optical media and other advanced material science applications.
• Potential use as a colorimetric reagent or sensor precursor in analytical chemistry due to its specific chromophoric structure.
• Research and development of novel photoreactive materials and light-sensitive coatings.

Basic Information

Product Name	6-Hydroxy-2-[3-[(1-Hydroxy-4-Sodiosulfo-2-Naphthalenyl)Azo]Phenyl]-7-[(2-Methylphenyl)Azo]-1H-Naphth[1,2-D]Imidazole-8-Sulfonic Acid Sodium Salt
CAS No.	6406-49-1
Molecular Formula	C36H23N6Na2O8S2
Molecular Weight	804.70 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-[(2-methylphenyl)azo]-, sodium salt; Sodium 6-hydroxy-2-[3-[(1-hydroxy-4-sodiosulfo-2-naphthalenyl)azo]phenyl]-7-[(2-methylphenyl)azo]-1H-naphth[1,2-d]imidazole-8-sulfonate; Azo Black 210; Dye Intermediate 6406-49-1; Black 210 Dye Intermediate
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to stringent quality control protocols to ensure batch-to-batch consistency and purity. The material is characterized using advanced analytical techniques including HPLC, UV-Vis spectroscopy, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment 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 a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark blue to black powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 20.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Partially soluble, forms colloidal solution

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