Description

Disodium 2-[[[5-[[1-(2,5-Dichloro-4-Sulphonatophenyl)-4,5-Dihydro-3-Methyl-5-Oxo(1H)-Pyrazol-4-Yl]Azo]-2-Methylphenyl]Sulphonyl]Amino]Benzoate is a high-purity, water-soluble azo dye intermediate of significant industrial importance. Its value lies in its role as a key precursor for synthesizing reactive and direct dyes, offering excellent color fastness and brightness. This compound is essential for manufacturers in the textile, leather, and specialty ink industries seeking to produce vibrant and durable colorants.

Application

• Primary Intermediate for Reactive Dyes: A crucial 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 for paper coloring and textile applications requiring good substantivity.
• Leather Dyeing: Serves as an intermediate for dyes used in the leather tanning and finishing industry.
• Specialty Ink Formulation: Employed in the production of colorants for inks used in jet printing and other specialty applications.
• Research & Development: A valuable compound for R&D laboratories focusing on novel chromophore synthesis and dye chemistry.

Basic Information

Product Name	Disodium 2-[[[5-[[1-(2,5-Dichloro-4-Sulphonatophenyl)-4,5-Dihydro-3-Methyl-5-Oxo(1H)-Pyrazol-4-Yl]Azo]-2-Methylphenyl]Sulphonyl]Amino]Benzoate
CAS No.	93805-64-2
Molecular Formula	C24H17Cl2N5Na2O9S2
Molecular Weight	684.42 g/mol
Synonyms	Benzoic acid, 2-[[[5-[[1-(2,5-dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-2-methylphenyl]sulfonyl]amino]-, disodium salt; C.I. Reactive Yellow 107 intermediate; Disodium 2-((5-((1-(2,5-dichloro-4-sulfonatophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl)diazenyl)-2-methylphenyl)sulfonamido)benzoate; Azo dye intermediate 93805-64-2; Pyrazolone-based azo dye intermediate; Reactive yellow dye precursor
EINECS	Contact for details

Quality Control

Our Disodium 2-[[[5-[[1-(2,5-Dichloro-4-Sulphonatophenyl)-4,5-Dihydro-3-Methyl-5-Oxo(1H)-Pyrazol-4-Yl]Azo]-2-Methylphenyl]Sulphonyl]Amino]Benzoate is produced under a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure high purity, consistent performance, and compliance with agreed specifications. Comprehensive Certificates of Analysis (COA) detailing purity, impurity profile, and physical characteristics are 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). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Sulfated Ash	≤ 20.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Clear solution

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