Description

Trisodium 4-[[4-[[(3,6-Dichloropyridazin-4-Yl)Carbonyl]Amino]-2-Sulphonatophenyl]Azo]-4,5-Dihydro-5-Oxo-1-(4-Sulphonatophenyl)-1H-Pyrazole-3-Carboxylate is a high-purity, water-soluble azo dye intermediate with a complex, multi-functional molecular structure. This compound matters for its role as a critical precursor in synthesizing high-performance dyes and pigments, offering excellent color fastness and stability. It is primarily needed by manufacturers in the textile, ink, and specialty chemical industries seeking to produce vibrant and durable colorants.

Application

• Primary Intermediate for Reactive Dyes: A key building block in the synthesis of high-quality reactive dyes for cotton and other cellulosic fibers.
• Specialty Pigment Manufacturing: Used in the production of complex organic pigments for inks, coatings, and plastics requiring specific hue and performance properties.
• Textile Dyeing and Printing: Imparts bright, wash-fast colors in industrial textile dyeing and printing processes.
• Functional Dye Synthesis: Serves as a precursor for dyes used in non-textile applications, such as lasers, optical data storage, or sensitizers.
• Research & Development: Utilized in chemical R&D for developing novel chromophores and studying azo dye chemistry and properties.
• Analytical Chemistry: May be employed as a staining agent or a standard in chromatographic and spectroscopic analysis.

Basic Information

Item	Details
Product Name	Trisodium 4-[[4-[[(3,6-Dichloropyridazin-4-Yl)Carbonyl]Amino]-2-Sulphonatophenyl]Azo]-4,5-Dihydro-5-Oxo-1-(4-Sulphonatophenyl)-1H-Pyrazole-3-Carboxylate
CAS No.	94021-11-1
Molecular Formula	C21H10Cl2N6Na3O11S2
Molecular Weight	767.35 g/mol
Synonyms	4-[[4-[[(3,6-Dichloropyridazin-4-yl)carbonyl]amino]-2-sulphonatophenyl]azo]-4,5-dihydro-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylic acid trisodium salt; Reactive Dye Intermediate 94021-11-1; Trisodium 1-(4-sulfophenyl)-3-carboxy-4-(4-((3,6-dichloro-4-pyridazinyl)carbonylamino)-2-sulfophenyl)azo-5-pyrazolone; Azo Pyrazolone Dye Intermediate; C.I. Reactive Orange 107 intermediate (related)
EINECS	Contact for details

Quality Control

Our production of Trisodium 4-[[4-[[(3,6-Dichloropyridazin-4-Yl)Carbonyl]Amino]-2-Sulphonatophenyl]Azo]-4,5-Dihydro-5-Oxo-1-(4-Sulphonatophenyl)-1H-Pyrazole-3-Carboxylate adheres to rigorous quality testing protocols to ensure batch-to-batch consistency and compliance with customer specifications. Each lot is analyzed for critical parameters including purity, heavy metal content, and impurity profile. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory needs.

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). Keep away from strong oxidizing agents. Due to its complex organic structure and potential light sensitivity, prolonged exposure to heat or direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Orange to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Freely soluble

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