Description

Sodium 5-[[5-(Benzoylamino)-2-[[1-(4-Ethoxy-3-Sulphophenyl)-3-Heptadecyl-4,5-Dihydro-4-Methyl-5-Oxo-1H-Pyrazol-4-Yl]Azo]Phenyl]Sulphonyl]Salicylate is a high-performance, water-soluble azo dye intermediate of significant industrial importance. Its complex molecular structure is engineered to provide excellent color fastness and stability, making it a critical component for producing durable and vibrant dyes. This compound is primarily sought after by manufacturers in the textile, leather, and specialty ink industries for creating high-quality colorants.

Application

• Primary Dye Intermediate: Serves as a key precursor in the synthesis of high-grade, water-soluble azo dyes for textile fibers, including cotton, wool, and nylon.
• Leather Coloring Agent: Used in the formulation of dyes for leather goods, providing deep, uniform coloration with good adhesion.
• Specialty Ink Production: A vital component in manufacturing inks for jet printing, packaging, and other applications requiring specific solubility and color properties.
• Pigment Manufacturing: Employed in the production of lake pigments and other colorants used in plastics and coatings.
• Research & Development: Utilized in chemical R&D labs for developing novel dye structures and studying azo coupling reactions.

Basic Information

Item	Details
Product Name	Sodium 5-[[5-(Benzoylamino)-2-[[1-(4-Ethoxy-3-Sulphophenyl)-3-Heptadecyl-4,5-Dihydro-4-Methyl-5-Oxo-1H-Pyrazol-4-Yl]Azo]Phenyl]Sulphonyl]Salicylate
CAS No.	94087-62-4
Molecular Formula	C48H52N5NaO10S2
Molecular Weight	938.06 g/mol
Synonyms	5-[[5-(Benzoylamino)-2-[[1-(4-Ethoxy-3-Sulphophenyl)-3-Heptadecyl-4,5-Dihydro-4-Methyl-5-Oxo-1H-Pyrazol-4-Yl]Azo]Phenyl]Sulphonyl]Salicylic Acid Sodium Salt; C.I. Acid Yellow 220 (Sodium Salt); Azo Dye Intermediate 94087-62-4; Sodium Salicylate Azo Dye; 1H-Pyrazole-4-carboxylic Acid Derivative; Water-Soluble Azo Dye Precursor; Benzenesulfonic Acid Derivative
EINECS	Contact for details

Quality Control

Our production of this dye intermediate adheres to strict quality management systems to ensure batch-to-batch consistency and purity. Every lot is subjected to rigorous analytical testing, including HPLC for assay and impurity profiling and spectrophotometric analysis for color strength. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and specific parameters is provided with each shipment to support your quality assurance protocols.

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 strong oxidizing agents and incompatible materials. The container must be kept tightly closed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Yellow to Orange-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95.0%
Water Content (KF)	Max. 5.0%
Solubility (1% in Water)	Clear, yellow solution
Heavy Metals (as Pb)	Max. 20 ppm
Related Substances (HPLC)	Total impurities: Max. 3.0%

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