Description

4,4'-[(3,3'-Dimethoxy[1,1'-Biphenyl]-4,4'-Diyl)Bis(Azo)]Bis-1,2-Benzenediol is a specialized azo dye intermediate known for its distinct chromophoric structure. This compound matters for its role in synthesizing high-performance pigments and dyes, offering excellent color strength and stability. It is primarily needed by manufacturers in the pigments, advanced materials, and specialty chemical sectors for research and production.

Application

• Primary Intermediate for High-Performance Pigments: A key precursor in the synthesis of complex organic pigments (e.g., diarylide yellows, benzimidazolones) used in plastics, inks, and coatings.
• Specialty Dye Manufacturing: Used in the production of dyes for textiles, leather, and other substrates requiring specific colorfastness properties.
• Advanced Material Research: Serves as a functional monomer or chromophore in the development of organic semiconductors, photoresists, and nonlinear optical materials.
• Analytical Chemistry & Reagents: Potential use as a colorimetric reagent or indicator in analytical methods due to its azo-based structure.
• Fine Chemical Synthesis: Employed as a building block in multi-step organic syntheses for pharmaceuticals and agrochemical research.

Basic Information

Product Name	4,4'-[(3,3'-Dimethoxy[1,1'-Biphenyl]-4,4'-Diyl)Bis(Azo)]Bis-1,2-Benzenediol
CAS No.	80495-39-2
Molecular Formula	C26H20N4O6
Molecular Weight	484.46 g/mol
Synonyms	4,4'-[(3,3'-Dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis(1,2-benzenediol); 4,4'-[(3,3'-Dimethoxy-4,4'-biphenylylene)bis(azo)]bis(1,2-benzenediol); 3,3'-Dimethoxybenzidine Bis(diazotized) Coupled with Catechol; Azo Pigment Intermediate; Diarylamide Yellow Intermediate; C.I. Pigment Yellow 180 Intermediate; Biphenyl Azo Diol Derivative
EINECS	Contact for details

Quality Control

Our production of this azo intermediate adheres to stringent quality protocols to ensure batch-to-batch consistency and purity for demanding synthesis applications. Quality is verified through advanced analytical techniques including HPLC, FT-IR, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

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). Keep away from heat sources and incompatible materials. Due to its light-sensitive nature, containers should be opaque or stored in darkness.

Specification

Item	Specification
Appearance	Dark red to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Loss on Drying	≤ 1.0 %
Residue on Ignition	≤ 0.5 %
Heavy Metals (as Pb)	≤ 20 ppm

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