Description

Azoxybenzene-4,4'-Bis(Propenoic Acid Chloride) is a specialized bifunctional acid chloride monomer featuring a central azoxybenzene core, making it a valuable building block for advanced polymer synthesis. This compound is critical for creating high-performance materials with tailored properties such as thermal stability, chemical resistance, and specific optical characteristics. It is primarily utilized by R&D chemists and material scientists in the polymer, specialty chemical, and advanced materials industries for developing novel polyamides, polyesters, and cross-linked networks.

Application

• Polymer Synthesis: Key monomer for the production of high-performance polyamides (aramid-type) and polyesters via condensation polymerization.
• Cross-linking Agent: Used to introduce rigid, thermally stable azoxybenzene linkages into polymer backbones or as a cross-linker for epoxy and other resin systems.
• Liquid Crystal Polymers (LCPs): Serves as a precursor for mesogenic diacids used in the synthesis of thermotropic liquid crystalline polymers.
• Advanced Composites: Incorporated into matrix resins for fiber-reinforced composites requiring enhanced thermal and chemical stability.
• Specialty Coatings: Used in formulating high-durability, chemical-resistant coatings for industrial and electronic applications.
• Pharmaceutical Intermediates: Acts as a synthetic intermediate in the research and development of complex organic molecules and active pharmaceutical ingredients (APIs).
• Optical Materials: Potential use in the development of organic materials with non-linear optical (NLO) properties.

Basic Information

Product Name	Azoxybenzene-4,4'-Bis(Propenoic Acid Chloride)
CAS No.	62708-57-0
Molecular Formula	C18H12Cl2N2O3
Molecular Weight	375.21 g/mol
Synonyms	4,4'-Azoxybis(benzoyl chloride); 4,4'-Azoxydibenzoic Acid Dichloride; p,p'-Azoxydibenzoyl Chloride; Azoxybenzene-4,4'-dicarbonyl Chloride; 4,4'-(Diazenediyl)bis(benzoyl chloride); 4,4'-Azoxybenzenedicarbonyl Chloride; Bis(4-chlorocarbonylphenyl)diazene Oxide; Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our Azoxybenzene-4,4'-Bis(Propenoic Acid Chloride) is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for demanding synthetic applications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality system is designed to meet the rigorous standards required for research and industrial-scale chemical synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature and reactivity as an acid chloride, the container must be kept under an inert atmosphere (e.g., nitrogen or argon) after opening and protected from moisture. Keep away from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%

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