Description

3-[4,5-Dihydro-4-[(2-Hydroxy-5-Methyl-3-Nitrophenyl)Azo]-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]Benzenesulphonamide is a specialized azo dye intermediate characterized by its complex heterocyclic structure incorporating a sulphonamide group. This compound matters for its role as a precise chemical building block in the synthesis of high-performance dyes and pigments, offering specific color and stability properties. It is primarily needed by manufacturers in the fine chemicals, specialty dyes, and advanced materials sectors for research and production.

Application

• Key intermediate in the synthesis of high-value azo dyes and pigments for textiles and plastics.
• Precursor for developing specialty colorants with enhanced lightfastness and thermal stability.
• Used in research and development of functional dyes for non-textile applications, such as inks and coatings.
• Potential building block in the synthesis of pharmaceutical intermediates or biological stains, leveraging its sulphonamide moiety.
• Employed in analytical chemistry as a reference standard or reagent for method development and quality control.

Basic Information

Product Name	3-[4,5-Dihydro-4-[(2-Hydroxy-5-Methyl-3-Nitrophenyl)Azo]-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]Benzenesulphonamide
CAS No.	93893-60-8
Molecular Formula	C17H16N6O6S
Molecular Weight	432.41 g/mol
Synonyms	Benzenesulfonamide, 3-[4,5-dihydro-4-[(2-hydroxy-5-methyl-3-nitrophenyl)azo]-3-methyl-5-oxo-1H-pyrazol-1-yl]-; 93893-60-8; 3-[4,5-Dihydro-4-[(2-hydroxy-5-methyl-3-nitrophenyl)azo]-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulfonamide; 1H-Pyrazole-1-benzenesulfonamide derivative; Azo pyrazolone sulphonamide dye intermediate
EINECS	Contact for details

Quality Control

Our 3-[4,5-Dihydro-4-[(2-Hydroxy-5-Methyl-3-Nitrophenyl)Azo]-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]Benzenesulphonamide undergoes rigorous quality testing to ensure compliance with industry standards. We provide comprehensive Certificates of Analysis (COA) with each batch, detailing purity, identity, and impurity profiles. Our quality system is designed to meet the stringent requirements of fine chemical and intermediate manufacturing.

Storage

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

Specification

Item	Specification
Appearance	Orange to red powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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