Description

Disodium 3,3'-[(2,2'-Dichloro[1,1'-Biphenyl]-4,4'-Diyl)Bis[Azo(5-Amino-3-Methyl-1H-Pyrazole-4,1-Diyl)]]Bis[Benzenesulphonate] is a high-purity, disazo-based chemical intermediate of significant industrial importance. Its precise molecular structure makes it a critical building block for synthesizing advanced colorants and functional dyes. This compound is primarily sought by manufacturers in the specialty chemical and advanced materials sectors for its role in creating products with specific optical and performance characteristics.

Application

• Primary Intermediate for High-Performance Dyes: Key precursor in the synthesis of specialized azo dyes and pigments, particularly for demanding applications.
• Functional Dye Manufacturing: Used in the production of dyes for textiles, inks, and coatings that require enhanced light-fastness and chemical stability.
• Specialty Colorant Synthesis: Serves as a core component for creating complex colorants used in plastics, masterbatches, and synthetic fibers.
• Research & Development: Employed in chemical R&D for developing novel chromophores and studying structure-property relationships in dye chemistry.
• Analytical Chemistry: Can be used as a standard or reagent in analytical methods for dye identification and quantification.

Basic Information

Product Name	Disodium 3,3'-[(2,2'-Dichloro[1,1'-Biphenyl]-4,4'-Diyl)Bis[Azo(5-Amino-3-Methyl-1H-Pyrazole-4,1-Diyl)]]Bis[Benzenesulphonate]
CAS No.	83249-37-0
Molecular Formula	C40H28Cl2N10Na2O6S2
Molecular Weight	901.71 g/mol
Synonyms	Disodium 3,3'-[(2,2'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis(5-amino-3-methyl-1H-pyrazole-4,1-diyl)bis(benzenesulphonate); C.I. Reactive Orange 107 Intermediate; Azo Dye Intermediate 83249-37-0; Disazo Biphenyl Dye Intermediate; 3,3'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[5-amino-4-methyl-1H-pyrazole-1-yl]benzenesulfonic acid disodium salt
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and high purity. Quality is verified through analytical techniques including HPLC, UV-Vis spectroscopy, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment 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 a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture (KF)	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (1% in Water)	Clear solution

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