Description

2-[2-(4-Nitro-2-Sulphophenyl)Vinyl]-5-[[4-[(4-Sulphophenyl)Azo]-1-Naphthyl]-Nno-Azoxy]Benzenesulphonic Acid is a high-purity, complex organic dye intermediate essential for synthesizing vibrant and stable colorants. Its precise molecular structure is critical for achieving specific hue, lightfastness, and solubility properties in advanced dye formulations. This compound is primarily required by manufacturers in the specialty chemical, textile dyeing, and advanced materials sectors seeking to produce high-performance pigments and dyes.

Application

• Primary Intermediate for Azo Dyes: Serves as a key building block in the synthesis of high-value azo dyes for textiles and fabrics.
• Specialty Pigment Manufacturing: Used in the production of complex organic pigments for inks, coatings, and plastics requiring specific color properties.
• Functional Dye Synthesis: A precursor for dyes used in non-textile applications, such as lasers, optical data storage, and liquid crystal displays (LCDs).
• Research & Development: Employed in chemical R&D laboratories for developing novel chromophores and studying structure-color relationships.
• Analytical Chemistry: Can be utilized as a standard or reagent in chromatographic analysis and dye-testing methodologies.

Basic Information

Product Name	2-[2-(4-Nitro-2-Sulphophenyl)Vinyl]-5-[[4-[(4-Sulphophenyl)Azo]-1-Naphthyl]-Nno-Azoxy]Benzenesulphonic Acid
CAS No.	93964-16-0
Molecular Formula	C31H20N4O11S3
Molecular Weight	728.70 g/mol
Synonyms	Benzenesulfonic acid, 2-[2-(4-nitro-2-sulfophenyl)ethenyl]-5-[[4-[(4-sulfophenyl)azo]-1-naphthalenyl]NNO-azoxy]-; CI 27905; Acid Dye Intermediate; Azo-Azoxy Dye Intermediate; 4-Nitro-2-sulphostyryl-5-[(4-sulpho-1-naphthyl)azo]azoxybenzenesulphonic acid; 93964-16-0; 2-[2-(4-Nitro-2-sulfophenyl)vinyl]-5-{[4-[(4-sulfophenyl)azo]-1-naphthyl]NNO-azoxy}benzenesulfonic acid
EINECS	Contact for details

Quality Control

Our production of 2-[2-(4-Nitro-2-Sulphophenyl)Vinyl]-5-[[4-[(4-Sulphophenyl)Azo]-1-Naphthyl]-Nno-Azoxy]Benzenesulphonic Acid 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 customer specifications. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical data 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 room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed when not in use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Dark brown to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%
Solubility	Soluble in water and alkaline solutions

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