Description

Lithium Sodium 7-[[4-[[[[4-[(4,8-Disulpho-2-Naphthyl)Azo]-2-Methoxy-5-Methylphenyl]Amino]Carbonyl]Amino]-5-Methoxy-o-Tolyl]Azo]Naphthalene-1,3-Disulphonate is a high-purity, complex azo dye intermediate and functional chemical. This compound is valued for its precise molecular structure, which provides consistent performance in advanced material synthesis and specialized coloration processes. It is essential for industrial and research applications requiring a specific, high-grade disazo component with excellent solubility characteristics.

Application

• Specialty Dye and Pigment Synthesis: A critical intermediate for manufacturing high-performance, water-soluble azo dyes and pigments, particularly for textiles, inks, and coatings.
• Functional Material Production: Used in the synthesis of advanced materials where its specific chromophore and ionic properties are leveraged, such as in optical filters or sensors.
• Analytical Chemistry and Research: Serves as a standard or reagent in analytical methods and academic research focused on dye chemistry, photochemistry, or supramolecular assemblies.
• Biomedical Staining: Potential application as a specialized staining agent in histological or cytological preparations due to its strong colorimetric properties.
• Liquid Crystal and Display Technology: Investigated for use in colorants for liquid crystal displays (LCDs) or other electronic visual media.
• Catalysis and Chemical Synthesis: May act as a ligand or template in certain catalytic systems or organic synthesis pathways.

Basic Information

Product Name	Lithium Sodium 7-[[4-[[[[4-[(4,8-Disulpho-2-Naphthyl)Azo]-2-Methoxy-5-Methylphenyl]Amino]Carbonyl]Amino]-5-Methoxy-o-Tolyl]Azo]Naphthalene-1,3-Disulphonate
CAS No.	75198-99-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Lithium Sodium Salt of C.I. Direct Brown 2; 7-[[4-[[[[4-[(4,8-Disulfo-2-naphthyl)azo]-2-methoxy-5-methylphenyl]amino]carbonyl]amino]-5-methoxy-2-methylphenyl]azo]-1,3-naphthalenedisulfonic acid lithium sodium salt; Direct Brown 2, Lithium Sodium Salt; C.I. 22311; Azo Brown Dye Intermediate; Disazo Dye Intermediate; Lithium Sodium Naphthalenedisulfonate Azo Dye
EINECS	Contact for details

Quality Control

Our production of Lithium Sodium 7-[[4-[[[[4-[(4,8-Disulpho-2-Naphthyl)Azo]-2-Methoxy-5-Methylphenyl]Amino]Carbonyl]Amino]-5-Methoxy-o-Tolyl]Azo]Naphthalene-1,3-Disulphonate adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistent composition and performance. Certificates of Analysis (COA) detailing batch-specific results are provided to guarantee traceability and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark brown to black powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Loss on Drying	Max. 5.0%
Sulfated Ash	Contact for details
Solubility (Water)	Freely soluble
Heavy Metals (as Pb)	Max. 20 ppm

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