Description

Sodium 5-[(4-Amino-1-Naphthyl)Azo]-2-[4-[(2-Hydroxy-1-Naphthyl)Azo]-2-Sulfonatostyryl]Benzenesulfonate is a high-purity, synthetic azo dye intermediate of significant commercial importance. Its complex molecular structure, featuring multiple azo linkages and sulfonate groups, provides excellent chromophoric properties and water solubility. This compound is essential for manufacturers requiring precise colorants and functional dyes in advanced applications, serving industries from textiles and inks to specialized analytical chemistry.

Application

• Textile Dyeing: A key intermediate for synthesizing high-performance, water-soluble azo dyes for cotton, wool, and synthetic fibers.
• Ink Manufacturing: Used in the production of pigments for inks, including those for packaging, security printing, and digital applications.
• Analytical Reagents: Serves as a chromogenic agent or indicator in specific spectrophotometric and complexometric analytical methods.
• Functional Dyes: A precursor for dyes used in non-textile applications such as laser dyes, liquid crystal displays (LCDs), and optical data storage.
• Research & Development: Employed in organic synthesis and material science research to develop novel colored polymers and photoactive materials.

Basic Information

Product Name	Sodium 5-[(4-Amino-1-Naphthyl)Azo]-2-[4-[(2-Hydroxy-1-Naphthyl)Azo]-2-Sulfonatostyryl]Benzenesulfonate
CAS No.	6459-79-6
Molecular Formula	C39H25N5Na2O8S2
Molecular Weight	809.81 g/mol
Synonyms	Acid Black 210; C.I. 300310; Sodium 5-[(4-amino-1-naphthyl)azo]-2-[4-[(2-hydroxy-1-naphthyl)azo]-2-sulfonatostyryl]benzenesulfonate; Benzenesulfonic acid, 5-[(4-amino-1-naphthyl)azo]-2-[4-[(2-hydroxy-1-naphthyl)azo]-2-sulfonatostyryl]-, disodium salt; 2-[4-[(2-Hydroxy-1-naphthyl)azo]-2-sulfonatostyryl]-5-[(4-amino-1-naphthyl)azo]benzenesulfonic acid disodium salt
EINECS	Contact for details

Quality Control

Our production of Sodium 5-[(4-Amino-1-Naphthyl)Azo]-2-[4-[(2-Hydroxy-1-Naphthyl)Azo]-2-Sulfonatostyryl]Benzenesulfonate adheres to a stringent quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistent performance and batch-to-batch reliability. A detailed Certificate of Analysis (COA) documenting all specifications is provided with each shipment.

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). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark brown to black 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

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