Description

4-[2-[4-[2-(Sulfooxy)Ethylsulfonyl]-2,5-Dimethoxyphenylazo]-3-Oxobutyrylamino]-5-Methoxy-2-Methylbenzenesulfonic Acid Disodium Salt is a high-purity, water-soluble reactive dye intermediate characterized by its disodium salt form and complex azo-based molecular structure. This compound is engineered to provide exceptional chromophore properties and reactivity, making it a critical precursor for the synthesis of advanced colorants. It is primarily utilized by manufacturers in the textile, specialty ink, and high-performance pigment industries seeking to produce vivid, wash-fast, and light-stable dyes.

Application

• Reactive Dye Synthesis: A key intermediate for manufacturing high-quality reactive dyes used in cotton, wool, and nylon fiber dyeing.
• Textile Industry: Imparts excellent color fastness, brightness, and wash resistance to dyed fabrics.
• Specialty Inks: Used in the formulation of inks for digital textile printing and other high-resolution applications.
• Functional Pigments: Serves as a building block for creating complex organic pigments with specific optical properties.
• Research & Development: Employed in chemical R&D for developing novel chromophores and studying azo dye chemistry.
• Analytical Chemistry: Can be used as a standard or reagent in chromatographic analysis of dye compounds.

Basic Information

Product Name	4-[2-[4-[2-(Sulfooxy)Ethylsulfonyl]-2,5-Dimethoxyphenylazo]-3-Oxobutyrylamino]-5-Methoxy-2-Methylbenzenesulfonic Acid Disodium Salt
CAS No.	93912-54-0
Molecular Formula	C22H25N3Na2O14S3
Molecular Weight	705.61 g/mol
Synonyms	Reactive Dye Intermediate 93912-54-0; Disodium 4-[2-[4-[2-(sulfooxy)ethylsulfonyl]-2,5-dimethoxyphenylazo]-3-oxobutyrylamino]-5-methoxy-2-methylbenzenesulfonate; Benzenesulfonic acid, 4-[2-[4-[2-(sulfooxy)ethylsulfonyl]-2,5-dimethoxyphenylazo]-3-oxobutyrylamino]-5-methoxy-2-methyl-, disodium salt; Azo dye intermediate CAS 93912-54-0; C.I. Reactive Dye Precursor
EINECS	Contact for details

Quality Control

Our production of this reactive dye intermediate adheres to stringent quality control protocols to ensure batch-to-batch consistency and high chemical purity. Each lot is analyzed using advanced techniques including HPLC, UV-Vis spectroscopy, and titration to verify identity, assay, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment 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 a controlled room temperature (15-25°C). Keep away from heat, open flames, and incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Solubility (1% 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.