Description

Disodium 4-[[4-[[4-[[6-[(4-Aminobenzoyl)Amino]-1-Hydroxy-3-Sulphonato-2-Naphthyl]Azo]Benzoyl]Amino]Phenyl]Azo]-4,5-Dihydro-5-Oxo-1-Phenyl-1H-Pyrazole-3-Carboxylate is a high-purity, water-soluble azo dye intermediate characterized by its complex, multi-functional molecular structure. This compound is essential for synthesizing high-performance dyes and pigments, offering excellent color strength and stability for demanding applications. It is primarily utilized by manufacturers in the textile, ink, and specialty chemical industries seeking to produce vivid and durable colorants.

Application

• Primary intermediate for the synthesis of high-grade azo dyes and pigments used in textile coloration.
• Key component in manufacturing reactive dyes for cotton and other cellulosic fibers.
• Used in the production of specialty inks, including those for packaging and security printing.
• Intermediate for functional dyes applied in biological staining and analytical chemistry.
• Raw material for colorants used in the leather tanning and finishing industry.
• Potential use in the research and development of advanced materials such as dye-sensitized solar cells (DSSCs).

Basic Information

Product Name	Disodium 4-[[4-[[4-[[6-[(4-Aminobenzoyl)Amino]-1-Hydroxy-3-Sulphonato-2-Naphthyl]Azo]Benzoyl]Amino]Phenyl]Azo]-4,5-Dihydro-5-Oxo-1-Phenyl-1H-Pyrazole-3-Carboxylate
CAS No.	6391-23-7
Molecular Formula	C40H26N8Na2O10S
Molecular Weight	840.72 g/mol
Synonyms	Disodium 1-(4-aminobenzamido)-2-hydroxy-6-[(4-[(4-[(5-carboxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)diazenyl]phenyl)carbamoyl]phenyl)diazenyl]naphthalene-3-sulfonate; C.I. Azoic Coupling Component 20; Azoic Coupling Component 20; Naphthol AS-G; 1-(4-Aminobenzoylamino)-2-hydroxy-6-[4'-(4''-(5'''-carboxy-3'''-methyl-1'''-phenylpyrazol-4'''-yl)azo)benzoylamino]azobenzene-3-sodium sulfonate; 2-Naphthalenecarboxamide, 1-[(4-aminophenyl)carbonyl]amino]-2-hydroxy-6-[[4-[[4-[[5-carboxy-3-methyl-1-phenyl-1H-pyrazol-4-yl]azo]phenyl]amino]carbonyl]phenyl]azo]-3-sulfo-, disodium salt
EINECS	Contact for details

Quality Control

Our Disodium 4-[[4-[[4-[[6-[(4-Aminobenzoyl)Amino]-1-Hydroxy-3-Sulphonato-2-Naphthyl]Azo]Benzoyl]Amino]Phenyl]Azo]-4,5-Dihydro-5-Oxo-1-Phenyl-1H-Pyrazole-3-Carboxylate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing key specifications are available upon request 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 incompatible materials and sources of heat. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Reddish-brown to dark 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 (1% in Water)	Clear solution

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