Description

Sodium 2-[[[3-[(4,5-Dihydro-3-Methyl-5-Oxo-1-Phenyl-1H-Pyrazol-4-Yl)Azo]-4-Hydroxyphenyl]Sulphonyl]Amino]Benzoate is a high-purity, water-soluble azo dye intermediate essential for producing vibrant and stable colorants. Its precise molecular structure offers excellent coupling properties and batch-to-batch consistency for demanding industrial applications. This compound is primarily utilized by manufacturers in the textile, ink, and specialty chemical sectors seeking reliable intermediates for high-performance dyes and pigments.

Application

• Primary Intermediate for Azo Dyes: A key building block in the synthesis of acid, direct, and reactive dyes for textile fibers like wool, silk, and nylon.
• Specialty Ink Formulations: Used in the production of colorants for inks in packaging, security printing, and digital applications.
• Pigment Manufacturing: Serves as a precursor in the creation of lake pigments and other high-performance organic pigments.
• Research & Development: Employed in chemical R&D for developing novel chromophores and studying dye-synthesis pathways.
• Industrial Colorants: Potential use in coloring plastics, paper, and leather where specific azo-based color properties are required.

Basic Information

Product Name	Sodium 2-[[[3-[(4,5-Dihydro-3-Methyl-5-Oxo-1-Phenyl-1H-Pyrazol-4-Yl)Azo]-4-Hydroxyphenyl]Sulphonyl]Amino]Benzoate
CAS No.	71701-27-4
Molecular Formula	C23H17N4NaO6S
Molecular Weight	500.46 g/mol
Synonyms	Benzoic acid, 2-[[[3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-4-hydroxyphenyl]sulfonyl]amino]-, sodium salt; Sodium 2-[(3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-4-hydroxybenzenesulfonamido)benzoate; Azo dye intermediate 71701-27-4; 1-Phenyl-3-methyl-4-[(4-hydroxy-3-sulfamoylphenyl)azo]-5-pyrazolone sodium salt derivative
EINECS	Contact for details

Quality Control

Our production of Sodium 2-[[[3-[(4,5-Dihydro-3-Methyl-5-Oxo-1-Phenyl-1H-Pyrazol-4-Yl)Azo]-4-Hydroxyphenyl]Sulphonyl]Amino]Benzoate adheres to stringent quality management protocols to ensure high purity and consistent performance. Every batch is analyzed using advanced techniques like HPLC and spectrophotometry to verify identity, strength, and impurity profiles. Certificates of Analysis (COA) documenting all critical specifications are provided to guarantee traceability and compliance with your technical requirements.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Orange to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Water Solubility	Freely soluble

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