Description

2,2'-[[(2-Chlorophenyl)Methylene]Bis[(2,5-Dimethyl-4,1-Phenylene)Azo]]Bis[p-Cresol] is a specialized azo dye intermediate known for its complex molecular structure, which imparts specific chromophoric properties. This compound is valued for its role in synthesizing high-performance pigments and dyes with excellent lightfastness and thermal stability. It is primarily sought by manufacturers in the pigments, advanced polymers, and specialty chemical sectors for demanding applications where color consistency and durability are critical.

Application

• High-Performance Pigment Synthesis: A key intermediate for producing azo pigments used in automotive paints, industrial coatings, and plastics requiring superior weather resistance.
• Specialty Dye Manufacturing: Used in the formulation of dyes for textiles, inks, and other materials where specific color shades and stability are required.
• Polymer Colorant: Incorporated into engineering plastics and high-temperature polymers to provide stable coloration without degrading polymer properties.
• Research & Development: Serves as a building block in organic synthesis and material science research for developing new chromophores and functional dyes.
• Functional Material Additive: Potential use in the development of optical materials, sensors, or non-linear optical (NLO) applications due to its conjugated azo structure.

Basic Information

Product Name	2,2'-[[(2-Chlorophenyl)Methylene]Bis[(2,5-Dimethyl-4,1-Phenylene)Azo]]Bis[p-Cresol]
CAS No.	63957-61-9
Molecular Formula	C45H40ClN4O2
Molecular Weight	713.28 g/mol
Synonyms	2,2'-[(2-Chlorobenzylidene)bis(2,5-dimethyl-4,1-phenyleneazo)]di-p-cresol; Bisazo Dye Intermediate; C.I. Pigment Yellow 213 (related); Azo Condensation Pigment Intermediate; 2,2'-((2-Chlorophenyl)methylene)bis(4-methyl-6-((2,5-dimethylphenyl)azo)phenol); Lightfast Azo Dye Precursor; (2-Chlorobenzylidene)bis(2,5-dimethyl-4,1-phenyleneazo)dicresol
EINECS	Contact for details

Quality Control

Our production of 2,2'-[[(2-Chlorophenyl)Methylene]Bis[(2,5-Dimethyl-4,1-Phenylene)Azo]]Bis[p-Cresol] adheres to strict quality management protocols to ensure batch-to-batch consistency and purity for industrial applications. The material undergoes rigorous analytical testing, including chromatography and spectroscopic methods. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory compliance 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 incompatible materials such as strong oxidizing agents. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Orange to red-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%

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