Description

(E)-Azobenzene-4,4'-Dicarboxylic Acid is a high-purity, functionalized azobenzene derivative characterized by its carboxylic acid groups at the para positions. This compound is a critical photo-responsive building block for advanced materials and molecular switches, offering precise control over molecular conformation upon light exposure. It is essential for researchers and manufacturers in the fields of smart polymers, liquid crystals, and supramolecular chemistry who require reliable, high-quality functional linkers.

Application

• Photo-responsive Materials: As a core component in the synthesis of light-switchable polymers, gels, and coatings.
• Liquid Crystal Technology: Serving as a functional dopant or mesogenic unit to create photo-alignable liquid crystal displays (LCDs) and optical devices.
• Supramolecular Systems: Acting as a linker for constructing metal-organic frameworks (MOFs) or host-guest complexes with light-tunable properties.
• Molecular Machines & Switches: A fundamental unit in the design of artificial molecular machines that change shape or function upon irradiation.
• Surface Functionalization: Used to modify surfaces (e.g., gold, silicon) with photo-active monolayers for sensor applications.
• Academic & Industrial R&D: A key reagent for investigating photochromism and developing new optoelectronic materials.

Basic Information

Product Name	(E)-Azobenzene-4,4'-Dicarboxylic Acid
CAS No.	71987-42-3
Molecular Formula	C14H10N2O4
Molecular Weight	270.24 g/mol
Synonyms	4,4'-Dicarboxyazobenzene; p,p'-Azodibenzoic Acid; Azobenzene-4,4'-dicarboxylic acid; (E)-4,4'-(Diazene-1,2-diyl)dibenzoic acid; trans-Azobenzene-4,4'-dicarboxylic Acid; 4-(4-Carboxyphenylazo)benzoic acid; ABDA; Azo-DCA
EINECS	Contact for details

Quality Control

Our (E)-Azobenzene-4,4'-Dicarboxylic Acid is manufactured under strict quality protocols to ensure batch-to-batch consistency and high chemical purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, isomeric purity, and impurity profiles. Our quality system is designed to meet the stringent requirements of advanced material research and development.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to prevent isomerization or degradation. Keep away from strong acids and organic solvents.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
(E)-Isomer Content (HPLC)	≥ 99.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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