Description

Trisodium 2-[2-(4-Amino-2-Sulphonatophenyl)Vinyl]-5-[[4-[(4-Sulphonatophenyl)Azo]-1-Naphthyl]-Nno-Azoxy]Benzenesulphonate CAS NO 93964-17-1 is a high-purity, water-soluble anionic dye intermediate characterized by its complex polyaromatic structure containing azo and azoxy functional groups. This compound is essential for synthesizing specialized dyes and pigments that require excellent lightfastness and vibrant color properties. It is primarily utilized by manufacturers in the textile, ink, and specialty coatings industries seeking to produce high-performance colorants.

Application

• Textile Dye Intermediate: A key precursor for the synthesis of reactive and direct dyes used in coloring cotton, wool, and nylon fibers.
• Inkjet Ink Formulation: Used in the production of high-quality colorants for industrial and photographic-grade inkjet inks, providing superior color gamut and stability.
• Functional Dye Synthesis: Serves as a building block for creating dyes used in optical data storage, liquid crystal displays (LCDs), and other advanced photonic applications.
• Paper and Leather Coloring: Employed in the manufacture of dyes for specialty paper products and high-grade leather finishes.
• Biological Staining Agent: Potential use as a specialized stain in histology and microscopy due to its specific chromophoric properties.
• Research & Development: A valuable chemical for academic and industrial R&D focused on novel organic chromophores and dye chemistry.

Basic Information

Product Name	Trisodium 2-[2-(4-Amino-2-Sulphonatophenyl)Vinyl]-5-[[4-[(4-Sulphonatophenyl)Azo]-1-Naphthyl]-Nno-Azoxy]Benzenesulphonate
CAS No.	93964-17-1
Molecular Formula	C36H23N5Na3O12S3
Molecular Weight	908.80 g/mol (approx.)
Synonyms	Benzenesulfonic acid, 2-[2-(4-amino-2-sulfophenyl)ethenyl]-5-[[4-[(4-sulfophenyl)azo]-1-naphthalenyl]azooxy]-, trisodium salt; C.I. Direct Yellow 142; Direct Fast Yellow GC; Direct Yellow 5GX; Trisodium 4-amino-6-[4-[(4-sulfonatophenyl)azo]-1-naphthyl]azo-5-hydroxy-3-[(E)-2-(4-sulfonatophenyl)ethenyl]naphthalene-2,7-disulfonate; 93964-17-1; Light Fast Yellow GC
EINECS	Contact for details

Quality Control

Our production of Trisodium 2-[2-(4-Amino-2-Sulphonatophenyl)Vinyl]-5-[[4-[(4-Sulphonatophenyl)Azo]-1-Naphthyl]-Nno-Azoxy]Benzenesulphonate adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with agreed specifications. Certificates of Analysis (COA) documenting key parameters such as assay, impurity profile, and physical properties are provided with each shipment to guarantee traceability and support your quality assurance protocols.

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). Keep the container tightly sealed when not in use to protect from moisture and contamination. Store away from incompatible materials.

Specification

Item	Specification
Appearance	Dark brown to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Solubility (in Water)	Clear solution
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 3.0%

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