Description

(E)-4-Fluoroazobenzene CAS NO 332-00-3 is a high-purity, functionalized azobenzene derivative characterized by its distinct fluorine substitution and photoisomerizable azo (-N=N-) linkage. This compound is a critical building block in advanced materials science, where its reversible light-induced structural changes enable precise control at the molecular level. It is primarily utilized by researchers and manufacturers in the fields of photonics, molecular switches, and liquid crystal technology.

Application

• Molecular Switches and Machines: Serves as a core photochromic unit for constructing light-responsive molecular devices, actuators, and logic gates.
• Liquid Crystal Displays (LCDs) and Polymers: Used as a dopant or mesogenic component to enhance the photo-alignment and electro-optical properties of liquid crystal systems.
• Optical Data Storage: Explored for high-density memory applications due to its ability to switch between stable isomeric states using specific light wavelengths.
• Photopharmacology: Investigated as a photoswitchable moiety for developing light-activated drugs, allowing for precise spatial and temporal control of biological activity.
• Surface Modification and Self-Assembled Monolayers (SAMs): Functionalized to create smart surfaces with tunable wettability, adhesion, or optical properties.
• Dye and Pigment Intermediate: Acts as a precursor for synthesizing specialized azo dyes and pigments with unique colorfastness or light-responsive characteristics.
• Polymer Science: Incorporated into polymer backbones or side chains to create photoresponsive "smart" materials for sensors, coatings, and actuators.
• Academic and Industrial R&D: A fundamental reagent for studying photochemistry, supramolecular assembly, and the development of new functional materials.

Basic Information

Product Name	(E)-4-Fluoroazobenzene
CAS No.	332-00-3
Molecular Formula	C12H9FN2
Molecular Weight	200.21 g/mol
Synonyms	4-Fluoroazobenzene; p-Fluoroazobenzene; (E)-1-Fluoro-4-(phenyldiazenyl)benzene; Azobenzene, 4'-fluoro-; 4-Fluorophenylazobenzene; 4-Fluorodiphenyldiazene; F-Azobenzene; 332-00-3
EINECS	206-363-5

Quality Control

Our (E)-4-Fluoroazobenzene is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and GC-MS for impurity profiling. We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring traceability and compliance with your research and development specifications.

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 light-sensitive nature, prolonged exposure to light should be avoided to maintain chemical integrity.

Specification

Item	Specification
Appearance	Orange to yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	88 - 92 °C
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.