Description

4-Heptyloxybenzylidene 4-Heptylaniline is a high-purity liquid crystal compound with the CAS registry number 39777-22-5. This compound is valued for its stable mesomorphic properties and serves as a critical intermediate and active component in advanced display technologies. It is primarily required by manufacturers and R&D facilities in the electronics, optoelectronics, and specialty materials sectors for developing and producing liquid crystal displays (LCDs) and tunable optical devices.

Application

• Key component in the formulation of nematic liquid crystal mixtures for Twisted Nematic (TN) and Super Twisted Nematic (STN) LCDs.
• Used as a host or dopant material in ferroelectric and antiferroelectric liquid crystal research and development.
• Intermediate in the synthesis of more complex liquid crystal monomers and polymers for advanced optical applications.
• Active material in tunable photonic devices and light modulators.
• Critical reagent in materials science R&D for studying phase transitions and molecular alignment.
• Used in the development of electro-optic switches and sensors.

Basic Information

Product Name	4-Heptyloxybenzylidene 4-Heptylaniline
CAS No.	39777-22-5
Molecular Formula	C27H39NO
Molecular Weight	393.61 g/mol
Synonyms	4-Heptyloxybenzylidene-4'-heptylaniline; 4-Heptyloxybenzylidene-4-heptylaniline; 4-n-Heptyloxybenzylidene-4'-n-heptylaniline; 4-(Heptyloxy)benzylidene-4'-heptylaniline; 4-Heptyloxy-4'-heptylazobenzene (common misnomer); HOBA; 7O.7 (abbreviation); Liquid Crystal 39777-22-5
EINECS	Contact for details

Quality Control

Our 4-Heptyloxybenzylidene 4-Heptylaniline is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for electronic-grade materials. A comprehensive Certificate of Analysis (COA) detailing purity, phase transition temperatures, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow crystalline solid or liquid crystal
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 99.0% (Electronic Grade)
Clearing Point (N-I)	Contact for details
Melting Point	Contact for details
Water Content (KF)	≤ 0.1%

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