Description

4-n-Octyl-4-Cyanobiphenyl (8CB) is a high-purity liquid crystal compound belonging to the cyanobiphenyl family. This material is valued for its stable nematic phase and precise electro-optical properties, which are critical for advanced display technologies. It is primarily sought by manufacturers and researchers in the liquid crystal display (LCD), photonics, and advanced materials sectors for developing and tuning high-performance mixtures.

Application

• Liquid Crystal Display (LCD) Mixtures: A key component in formulating nematic liquid crystal mixtures for TN, STN, and TFT-LCD panels.
• Electro-Optical Device Research: Used in R&D for light modulators, optical shutters, and tunable photonic devices.
• Temperature Sensing Materials: Employed in the development of thermochromic and temperature-sensitive indicators.
• Reference Standard: Serves as a high-purity analytical standard for quality control in chemical and display manufacturing.
• Advanced Material Synthesis: Acts as a crucial intermediate or dopant in the synthesis of novel organic semiconductors and functional materials.
• Laboratory Reagent: Used in academic and industrial research to study phase transitions and molecular alignment in soft matter systems.

Basic Information

Product Name	4-n-Octyl-4-Cyanobiphenyl (8CB)
CAS No.	52079-84-9
Molecular Formula	C21H25N
Molecular Weight	291.43 g/mol
Synonyms	8CB; 4-Cyano-4'-octylbiphenyl; 4-Octyl-4'-cyanobiphenyl; 4-n-Octyl-4'-cyanobiphenyl; 4-Cyano-4'-n-octylbiphenyl; Octylcyanobiphenyl; K15 (historical); Liquid Crystal 8CB
EINECS	Contact for details

Quality Control

Our 4-n-Octyl-4-Cyanobiphenyl (8CB) is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and consistent performance. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed 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). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline solid or liquid crystal
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 99.0%
Melting Point / Clearing 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.