Description

Disodium 2-[2-(4-Amino-2-Sulphonatophenyl)Vinyl]-5-[[1-[[(2-Methoxyphenyl)Amino]Carbonyl]-2-Oxopropyl]Azo]Benzenesulphonate is a high-purity, water-soluble anionic dye intermediate known for its excellent chromophore properties and reactivity. This compound is critical for synthesizing specialized dyes and pigments that require high color strength and stability. It is primarily utilized by manufacturers in the textile, ink, and specialty chemical industries for producing vibrant and durable colorants.

Application

• Textile Dyeing: A key intermediate for the synthesis of reactive and acid dyes used on cotton, wool, silk, and nylon fibers.
• Ink Manufacturing: Used in the production of high-performance inks for digital, packaging, and security printing applications.
• Functional Pigments: Serves as a precursor for creating pigments with specific optical or functional properties.
• Research & Development: Employed in chemical R&D for developing new chromophores and studying azo dye chemistry.
• Specialty Coatings: Used in formulating coatings where specific color fidelity and lightfastness are required.
• Analytical Chemistry: Can be utilized as a staining agent or a colorimetric indicator in certain analytical procedures.

Basic Information

Product Name	Disodium 2-[2-(4-Amino-2-Sulphonatophenyl)Vinyl]-5-[[1-[[(2-Methoxyphenyl)Amino]Carbonyl]-2-Oxopropyl]Azo]Benzenesulphonate
CAS No.	72245-61-5
Molecular Formula	C26H23N4Na2O9S2
Molecular Weight	636.58 g/mol
Synonyms	72245-61-5; Disodium 2-[2-(4-amino-2-sulfonatophenyl)ethenyl]-5-[[1-[[(2-methoxyphenyl)amino]carbonyl]-2-oxopropyl]azo]benzenesulfonate; Reactive Dye Intermediate; Anionic Azo Dye Intermediate; Benzenesulfonic acid, 2-[2-(4-amino-2-sulfophenyl)ethenyl]-5-[[1-[[(2-methoxyphenyl)amino]carbonyl]-2-oxopropyl]azo]-, disodium salt
EINECS	Contact for details

Quality Control

Our Disodium 2-[2-(4-Amino-2-Sulphonatophenyl)Vinyl]-5-[[1-[[(2-Methoxyphenyl)Amino]Carbonyl]-2-Oxopropyl]Azo]Benzenesulphonate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. The product undergoes rigorous analytical testing, including HPLC for assay and purity, to meet precise customer specifications. Certificates of Analysis (COA) detailing all quality parameters are provided with every 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 (moisture-sensitive) nature, the container must be kept tightly sealed after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture (KF Titration)	≤ 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.