Description

Tetrasodium [Mu-[[4,4'-[Methylenebis[(2-Hydroxy-p-Phenylene)Azo]]Bis[3-Hydroxynaphthalene-2,7-Disulphonato]](8-)]]Dicuprate(4-) is a high-purity, complex copper-based azo dye intermediate. This compound is valued for its role as a critical precursor in the synthesis of high-performance, colorfast dyes and pigments. It is primarily required by manufacturers in the textile, leather, and specialty ink industries seeking to produce durable and vibrant colorants.

Application

• Primary precursor for the synthesis of high-grade, metal-complex azo dyes.
• Key intermediate in the production of pigments for automotive and industrial coatings.
• Used in the formulation of specialized dyes for textile and leather coloring.
• Component in the manufacture of colorants for high-performance inks and toners.
• Employed in research and development of novel photonic and electronic materials.
• Potential use in analytical chemistry as a complexometric reagent.

Basic Information

Product Name	Tetrasodium [Mu-[[4,4'-[Methylenebis[(2-Hydroxy-p-Phenylene)Azo]]Bis[3-Hydroxynaphthalene-2,7-Disulphonato]](8-)]]Dicuprate(4-)
CAS No.	73514-03-1
Molecular Formula	C34H18Cu2N4Na4O16S4
Molecular Weight	Contact for details
Synonyms	Copper complex of Direct Blue 2B; Tetrasodium bis[4-[[4-[(2-hydroxy-5-sulfophenyl)azo]phenyl]methyl]-2-[(2-hydroxy-3,6-disulfo-1-naphthyl)azo]benzenesulfonato(8-)]dicuprate(4-); C.I. Direct Blue 2B Copper Complex; Direct Blue 2B Cu Complex; 73514-03-1; Direct Blue 2B Metal Complex Salt
EINECS	Contact for details

Quality Control

Our production of Tetrasodium [Mu-[[4,4'-[Methylenebis[(2-Hydroxy-p-Phenylene)Azo]]Bis[3-Hydroxynaphthalene-2,7-Disulphonato]](8-)]]Dicuprate(4-) adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure consistency, purity, and performance for your specific application. Certificates of Analysis (COA) documenting key parameters 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 place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark blue to black powder or solid
Identification (IR)	Conforms to standard
Assay (HPLC)	Min. 95%
Loss on Drying	Max. 5.0%
Heavy Metals (as Pb)	Max. 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.