Description

Sodium (E)-4-((3-(4-Nitrophenyl)-5-Oxo-1-Phenyl-4,5-Dihydro-1H-Pyrazol-4-Yl)Diazenyl)Benzenesulfonate is a high-purity, functionalized azo dye intermediate of significant industrial importance. This compound is valued for its precise molecular structure, which serves as a critical building block in the synthesis of specialized colorants and advanced materials. It is primarily sought by manufacturers in the fine chemical, specialty dye, and advanced material research sectors for applications requiring high chromophore purity and consistent batch-to-batch performance.

Application

• Specialty Dye Synthesis: A key intermediate for producing high-performance azo dyes and pigments used in textiles, inks, and coatings.
• Advanced Material Research: Utilized in the development of functional materials, including liquid crystals and non-linear optical (NLO) materials.
• Chemical Sensing: Serves as a precursor for chromogenic reagents and sensor molecules in analytical chemistry.
• Pharmaceutical Intermediates: Potential building block in the research and development of novel pharmacologically active compounds.
• Academic & Industrial R&D: Used in chemical research for studying azo coupling reactions and structure-property relationships.

Basic Information

Item	Detail
Product Name	Sodium (E)-4-((3-(4-Nitrophenyl)-5-Oxo-1-Phenyl-4,5-Dihydro-1H-Pyrazol-4-Yl)Diazenyl)Benzenesulfonate
CAS No.	1177131-02-0
Molecular Formula	C27H18N5NaO6S
Molecular Weight	563.52 g/mol
Synonyms	Sodium 4-[(E)-[3-(4-nitrophenyl)-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl]diazenyl]benzenesulfonate; 4-[(E)-[3-(4-Nitrophenyl)-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl]diazenyl]benzenesulfonic acid sodium salt; Azo pyrazolone sulfonate derivative; Nitrophenyl pyrazolone azo dye intermediate; Sodium azo benzene sulfonate derivative
EINECS	Contact for details

Quality Control

Our Sodium (E)-4-((3-(4-Nitrophenyl)-5-Oxo-1-Phenyl-4,5-Dihydro-1H-Pyrazol-4-Yl)Diazenyl)Benzenesulfonate is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical characteristics is provided with every shipment to guarantee traceability and compliance.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Orange to red powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm

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