Description

Sodium 3-[(4,5-Dihydro-3-Methyl-5-Oxo-1-Phenyl-1H-Pyrazol-4-Yl)Azo]-2-Hydroxy-5-Nitrobenzenesulphonate is a high-purity azo dye intermediate and specialty chemical compound. It is valued for its precise molecular structure, which serves as a critical building block in the synthesis of complex dyes and pigments. This product is essential for manufacturers and R&D laboratories in the colorant, textile, and specialty chemical industries seeking reliable, high-quality intermediates for advanced formulations.

Application

• Primary Intermediate for Azo Dyes & Pigments: Serves as a key precursor in the synthesis of high-performance, complex azo dyes used in textiles, inks, and coatings.
• Specialty Colorant Production: Used in manufacturing specialized colorants requiring specific shade, brightness, and fastness properties.
• Research & Development: A vital compound for chemical R&D, particularly in developing new dye molecules and studying azo coupling reactions.
• Analytical Chemistry Reagent: Can be employed as a standard or reagent in analytical methods for dye identification and quantification.
• Functional Material Synthesis: Potential use as a monomer or additive in the creation of functional materials where its chromophore properties are beneficial.

Basic Information

Product Name	Sodium 3-[(4,5-Dihydro-3-Methyl-5-Oxo-1-Phenyl-1H-Pyrazol-4-Yl)Azo]-2-Hydroxy-5-Nitrobenzenesulphonate
CAS No.	6054-86-0
Molecular Formula	C16H11N4NaO7S
Molecular Weight	426.34 g/mol
Synonyms	Benzenesulfonic acid, 3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-2-hydroxy-5-nitro-, sodium salt; Sodium 3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-2-hydroxy-5-nitrobenzenesulfonate; 1-Phenyl-3-methyl-4-(2-hydroxy-3-nitro-5-sulfophenylazo)-5-pyrazolone sodium salt; Acid Yellow 11 (related dye class); Azo dye intermediate 6054-86-0; Pyrazolone azo dye sulfonate
EINECS	Contact for details

Quality Control

Our Sodium 3-[(4,5-Dihydro-3-Methyl-5-Oxo-1-Phenyl-1H-Pyrazol-4-Yl)Azo]-2-Hydroxy-5-Nitrobenzenesulphonate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing key specifications are provided to guarantee the material meets your technical requirements and supports your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Orange to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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