Description

Disodium 5-[[4-[[[[2-Methoxy-4-[(3-Sulphonatophenyl)Azo]Phenyl]Amino]Carbonyl]Amino]Phenyl]Azo]-3-Methylsalicylate is a high-purity, water-soluble azo dye intermediate of significant commercial importance. Its primary value lies in its role as a key precursor for synthesizing reactive and direct dyes, offering excellent color strength and chromophore properties. This compound is essential for manufacturers in the textile, ink, and specialty chemical industries seeking to produce vibrant and stable colorants.

Application

• Primary Intermediate for Reactive Dyes: A critical building block in the synthesis of high-performance reactive dyes for cotton, viscose, and other cellulosic fibers.
• Direct Dye Production: Used in the manufacture of direct dyes, providing good substantivity to cellulose materials without the need for a mordant.
• Textile Colorant Synthesis: Serves as a key chromophore component for producing a range of red, orange, and brown shades in textile dyeing and printing.
• Ink and Pigment Manufacturing: Employed in the production of colorants for inks, including those used in packaging and specialty printing applications.
• Research & Development: Utilized in chemical R&D labs for developing novel dye structures and studying azo dye chemistry and properties.
• Specialty Chemical Synthesis: Acts as an intermediate for creating functional chemicals where a specific chromophore or sulfonated aromatic structure is required.

Basic Information

Product Name	Disodium 5-[[4-[[[[2-Methoxy-4-[(3-Sulphonatophenyl)Azo]Phenyl]Amino]Carbonyl]Amino]Phenyl]Azo]-3-Methylsalicylate
CAS No.	66214-49-1
Molecular Formula	C28H22N6Na2O9S
Molecular Weight	664.55 g/mol
Synonyms	Disodium 5-[[4-[[[[2-methoxy-4-[(3-sulfophenyl)azo]phenyl]amino]carbonyl]amino]phenyl]azo]-3-methylsalicylate; Benzoic acid, 5-[[4-[[[[2-methoxy-4-[(3-sulfophenyl)azo]phenyl]amino]carbonyl]amino]phenyl]azo]-3-methyl-, disodium salt; C.I. Reactive Red 238 intermediate; Azo dye intermediate 66214-49-1; Disodium 3-methyl-5-[(4-{[(2-methoxy-4-[(3-sulfonatophenyl)diazenyl]phenyl)carbamoyl]amino}phenyl)diazenyl]-2-hydroxybenzoate
EINECS	Contact for details

Quality Control

Our Disodium 5-[[4-[[[[2-Methoxy-4-[(3-Sulphonatophenyl)Azo]Phenyl]Amino]Carbonyl]Amino]Phenyl]Azo]-3-Methylsalicylate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. Certificates of Analysis (COA) documenting all critical 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 room temperature (15-25°C). This material is light-sensitive (store away from light) and hygroscopic (moisture-sensitive). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Reddish-brown to dark 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)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%

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