Description

(E)-Diphenyldiazene-4,4'-Dicarbaldehyde CAS NO 140661-40-1 is a high-purity, functionalized azo compound characterized by its distinct aldehyde groups and trans (E) configuration. This compound serves as a versatile and critical organic intermediate for advanced synthesis, enabling the creation of complex molecular architectures. It is primarily sought by R&D and production teams in the pharmaceutical, agrochemical, and specialty polymer industries for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in developing azo-based prodrugs or diagnostic agents.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the azo and aldehyde functionalities allow for structural diversification.
• Ligand and Chelator Precursor: The aldehyde groups provide handles for constructing sophisticated ligands used in catalysis and metal-organic frameworks (MOFs).
• Polymer & Material Science: Acts as a monomer or cross-linking agent for synthesizing specialty polymers, such as polyazomethines, with potential applications in electronics and coatings.
• Dye & Pigment Research: Serves as a precursor in the development of new azo dyes and pigments, leveraging its core diazene structure.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic chemistry and material science due to its bifunctional reactivity.

Basic Information

Product Name	(E)-Diphenyldiazene-4,4'-Dicarbaldehyde
CAS No.	140661-40-1
Molecular Formula	C14H10N2O2
Molecular Weight	238.24 g/mol
Synonyms	4,4'-Azobenzenedicarboxaldehyde; (E)-4,4'-Azodibenzaldehyde; p,p'-Azodibenzaldehyde; Azobenzene-4,4'-dicarboxaldehyde; 4,4'-Azobis(benzaldehyde); (E)-Azobenzene-4,4'-dicarbaldehyde; Diazenediylbis(4,1-phenylene)dimethanal; (E)-Diazen-1,2-diylbis(4-formylbenzene)
EINECS	Contact for details

Quality Control

Our (E)-Diphenyldiazene-4,4'-Dicarbaldehyde is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing key parameters such as identity, assay, and impurity profiles. We adhere to relevant ISO quality management standards, and our quality control procedures are designed to meet the rigorous demands of research and industrial synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to handle and store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term stability, especially after opening the original packaging.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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