Description

Tetralithium 7,7'-[Carbonylbis[Imino(5-Methoxy-2-Methyl-4,1-Phenylene)Azo]]Bis(Naphthalene-1,3-Disulphonate) is a high-purity, water-soluble lithium salt of a complex azo dye intermediate. This compound is valued for its role as a critical precursor in the synthesis of specialized dyes and functional colorants, offering excellent solubility and ionic characteristics. It is primarily sought by manufacturers in the fine chemicals, advanced pigments, and specialty dye industries for research and production-scale applications.

Application

• Precursor for High-Performance Dyes: Key intermediate in the synthesis of complex azo dyes for textiles, inks, and coatings.
• Specialty Pigment Manufacturing: Used in the production of pigments requiring specific metal-ion complexes for enhanced color stability and properties.
• Functional Colorant Research: Serves as a building block in R&D for novel colorants with applications in electronics or sensing technologies.
• Analytical Chemistry Reagent: May be utilized as a standard or reagent in analytical methods due to its distinct chemical structure.
• Lithium-Ion Source in Synthesis: Provides a soluble lithium counterion in organic synthesis and material science applications.

Basic Information

Product Name	Tetralithium 7,7'-[Carbonylbis[Imino(5-Methoxy-2-Methyl-4,1-Phenylene)Azo]]Bis(Naphthalene-1,3-Disulphonate)
CAS No.	65151-41-9
Molecular Formula	C40H26Li4N6O15S4
Molecular Weight	956.66 g/mol (Contact for details)
Synonyms	7,7'-[Carbonylbis[imino(5-methoxy-2-methyl-4,1-phenylene)azo]]bis[1,3-naphthalenedisulfonic acid], tetralithium salt; Tetralithium 7,7'-[carbonylbis[imino(5-methoxy-2-methyl-p-phenylene)azo]]di-1,3-naphthalenedisulphonate; C.I. Acid Black 107; Azo dye intermediate 65151-41-9; Lithium salt of Acid Black 107; Tetralithium bis(azo) dye sulfonate
EINECS	Contact for details

Quality Control

Our Tetralithium 7,7'-[Carbonylbis[Imino(5-Methoxy-2-Methyl-4,1-Phenylene)Azo]]Bis(Naphthalene-1,3-Disulphonate) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure consistent purity and compliance with agreed specifications. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee traceability and quality assurance for your 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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