Description

Trilithium 5-Amino-4-Hydroxy-3-[[4'-[(1-Hydroxy-4-Sulphonato-2-Naphthyl)Azo]-3,3'-Dimethoxy[1,1'-Biphenyl]-4-Yl]Azo]Naphthalene-2,7-Disulphonate is a high-purity, water-soluble lithium salt of a complex polyazo dye, valued for its exceptional color strength and stability. This compound is engineered to deliver consistent, vibrant coloration and reliable performance in demanding technical applications. It is primarily sought after by manufacturers in the textile, ink, and specialty coatings industries who require advanced, metal-complex colorants for high-quality products.

Application

• Textile Dyeing: As a high-performance dye for synthetic fibers like nylon and polyamide, offering excellent wash and light fastness.
• Inkjet Inks: A key colorant component in professional and industrial-grade inks, providing a wide color gamut and superior print durability.
• Specialty Coatings: Used in the formulation of coatings for plastics, metals, and paper where specific color tones and chemical resistance are required.
• Analytical Chemistry: Potential use as a staining agent or colorimetric indicator in laboratory and diagnostic applications.
• Functional Dyes: Exploration in advanced material science for applications in optics, sensors, or light-harvesting systems due to its complex aromatic structure.

Basic Information

Item	Detail
Product Name	Trilithium 5-Amino-4-Hydroxy-3-[[4'-[(1-Hydroxy-4-Sulphonato-2-Naphthyl)Azo]-3,3'-Dimethoxy[1,1'-Biphenyl]-4-Yl]Azo]Naphthalene-2,7-Disulphonate
CAS No.	67923-89-1
Molecular Formula	C40H24Li3N6O16S4
Molecular Weight	Contact for details
Synonyms	Lithium Salt of C.I. Direct Brown 223; C.I. 35720; Direct Brown 223 Lithium Salt; 5-Amino-4-hydroxy-3-[[4'-[(1-hydroxy-4-sulphonato-2-naphthyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]naphthalene-2,7-disulphonic acid trilithium salt; Polyazo Dye Lithium Complex; Trilithium Direct Brown Dye; Azo Dye 67923-89-1
EINECS	Contact for details

Quality Control

Our production of Trilithium 5-Amino-4-Hydroxy-3-[[4'-[(1-Hydroxy-4-Sulphonato-2-Naphthyl)Azo]-3,3'-Dimethoxy[1,1'-Biphenyl]-4-Yl]Azo]Naphthalene-2,7-Disulphonate adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure consistent purity, color value, and solubility. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters to support your quality assurance and regulatory compliance needs.

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). This material is light-sensitive (store away from light) and hygroscopic (moisture-sensitive). Keep away from strong oxidizing agents.

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 (in 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.