Description

p-Dianisal-3,3'-Dichlorobenzidine is a specialized aromatic organic compound primarily used as a high-performance chemical intermediate. This compound is valued for its role in synthesizing advanced materials, including dyes, pigments, and functional polymers, where its specific molecular structure imparts critical properties. It is essential for manufacturers and R&D laboratories in the fine chemicals, specialty dyes, and advanced material science sectors seeking reliable, high-purity building blocks for complex synthesis.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of high-performance azo dyes and organic pigments, contributing to color fastness and stability.
• Liquid Crystal Materials: Used in the research and production of specific liquid crystal compounds for display technologies.
• Polymer Synthesis: Serves as a monomer or cross-linking agent in the development of specialty polyimides and other high-temperature polymers.
• Chemical Research: Employed in academic and industrial R&D as a building block for novel organic compounds and materials science studies.
• Photoconductive Materials: Investigated for use in the formulation of materials for photocopiers and laser printers.
• Analytical Reagent: Can be utilized as a standard or reagent in specific chromatographic or spectroscopic analytical methods.

Basic Information

Product Name	p-Dianisal-3,3'-Dichlorobenzidine
CAS No.	3540-78-1
Molecular Formula	C28H22Cl2N2O2
Molecular Weight	489.39 g/mol
Synonyms	Benzidine, 3,3'-dichloro-4,4'-bis[(4-methoxyphenyl)methylene]bis-; 4,4'-Bis[(4-methoxyphenyl)methylene]bis(3,3'-dichlorobenzidine); 3,3'-Dichloro-4,4'-bis[(4-methoxyphenyl)methylene]dianiline; N,N'-Bis(4-methoxybenzylidene)-3,3'-dichlorobenzidine; p-Dianisylidene-3,3'-dichlorobenzidine
EINECS	Contact for details

Quality Control

Our p-Dianisal-3,3'-Dichlorobenzidine is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for use in sensitive synthetic applications. Certificates of Analysis (COA) detailing batch-specific results are provided to guarantee traceability and consistency.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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