Description

(Z)-4-Methylazobenzene CAS NO 6720-28-1 is a high-purity, stereospecific isomer of methylazobenzene, a class of organic compounds featuring an azo (-N=N-) functional group. This compound is valued for its role as a critical chromophore and photochemical intermediate in advanced material synthesis. It is primarily utilized by research institutions and industrial R&D departments focused on developing photoresponsive materials, liquid crystals, and specialized dyes.

Application

• Photochromic Material Research: Serves as a key building block in the synthesis of organic compounds that change color in response to light, useful for optical data storage and smart windows.
• Liquid Crystal Development: Used as a dopant or intermediate in the production of advanced liquid crystal displays (LCDs) and tunable optical devices.
• Dye & Pigment Intermediate: Acts as a precursor in the manufacture of specialized azo dyes and pigments for high-performance applications.
• Chemical Biology Probes: Employed in the design of photolabile protecting groups or light-activated molecular switches for biological studies.
• Polymer Science: Incorporated into polymer chains to create light-responsive polymers with applications in sensors and actuators.
• Academic & Industrial R&D: A standard reagent for investigating azo compound chemistry, isomerization kinetics, and photophysical properties.

Basic Information

Product Name	(Z)-4-Methylazobenzene
CAS No.	6720-28-1
Molecular Formula	C13H12N2
Molecular Weight	196.25 g/mol
Synonyms	(Z)-1,2-Diphenyl-2-(4-methylphenyl)diazene; (Z)-4-Methylazobenzene; (Z)-p-Methylazobenzene; cis-4-Methylazobenzene; (Z)-4-Methyl-1,2-diphenyldiazene; 4-Methylazobenzene (Z-isomer); Azobenzene, 4'-methyl-, (Z)-; (Z)-4-Methyl diphenyldiazene
EINECS	Contact for details

Quality Control

Every batch of our (Z)-4-Methylazobenzene is produced and tested under stringent quality management protocols to ensure exceptional purity and batch-to-batch consistency. Our products undergo rigorous quality testing, including chromatographic purity analysis and spectroscopic identification, to ensure compliance with exacting research and development standards. Comprehensive Certificates of Analysis (COA) detailing all specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (typically 15-25°C). Due to its light-sensitive nature, prolonged exposure to light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0% (Area %)
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Isomeric Purity (Z-isomer)	≥ 99.0% (by HPLC)

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