Description

Tetrasodium 3,3'-[Azoxybis[(2-Methoxy-4,1-Phenylene)Azo]]Bis[4,5-Dihydroxynaphthalene-2,7-Disulphonate] is a high-purity, complex azo dye intermediate with a distinctive chemical structure. This compound is valued for its role as a critical precursor in the synthesis of specialized dyes and pigments, offering excellent color properties and structural stability. It is primarily sought by manufacturers in the textile, ink, and specialty chemical industries for producing high-performance colorants.

Application

• Primary Intermediate for Azo Dyes: Serves as a key building block in the synthesis of high-value, complex azo dyes for textiles and leather.
• Specialty Pigment Manufacturing: Used in the production of pigments for inks, coatings, and plastics requiring specific color fastness and stability.
• Research & Development: Employed in chemical R&D for developing novel chromophores and functional dyes with unique optical properties.
• Analytical Chemistry: Can be utilized as a standard or reagent in colorimetric analysis and detection methods.
• Functional Material Synthesis: Potential use in creating dyes for optical data storage, nonlinear optics, or other advanced material applications.

Basic Information

Item	Detail
Product Name	Tetrasodium 3,3'-[Azoxybis[(2-Methoxy-4,1-Phenylene)Azo]]Bis[4,5-Dihydroxynaphthalene-2,7-Disulphonate]
CAS No.	83968-64-3
Molecular Formula	C40H26N6Na4O18S4
Molecular Weight	1080.85 g/mol
Synonyms	Direct Blue 1 (Parent Dye Analog); Tetrasodium 3,3'-[Azoxybis(2-methoxy-4,1-phenylene)azo]bis(4,5-dihydroxy-2,7-naphthalenedisulfonate); C.I. 24410; Azoxy Dye Intermediate; Bis(azo) Naphthalene Disulfonate; Light-sensitive Azo Compound; Complex Azo Dye Precursor
EINECS	Contact for details

Quality Control

Every batch of this chemical intermediate is produced under strict quality control protocols to ensure consistency and purity for downstream synthesis. We provide comprehensive Certificates of Analysis (COA) that detail key parameters such as assay, impurity profile, and color strength. Our quality system is designed to meet the stringent requirements of industrial dye and pigment manufacturers.

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 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)	Freely soluble

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