Description

Trans,trans-4''-Pentyl-4-Propenyl-Bicyclohexyl CAS NO 156139-85-4 is a high-purity, synthetic organic compound belonging to the bicyclohexyl liquid crystal family. This advanced material is valued for its specific mesomorphic properties, which are critical for modulating the electro-optical performance of display technologies. It is an essential component for manufacturers of liquid crystal displays (LCDs), optical films, and tunable photonic devices who require precise control over phase behavior, birefringence, and response times.

Application

• Liquid Crystal Display (LCD) Manufacturing: A key component in nematic and chiral nematic (cholesteric) liquid crystal mixtures for televisions, monitors, and smartphones.
• Advanced Optical Films: Used in the formulation of polymer-dispersed liquid crystals (PDLCs) for smart windows and light shutters.
• Tunable Photonic Crystals: Serves as a tunable dielectric medium in research and development of photonic bandgap materials.
• Electro-Optic Modulators: Employed in the core mixture for devices requiring fast, voltage-controlled light modulation.
• Specialty Chemical Synthesis: Acts as a sophisticated intermediate or chiral building block for advanced organic synthesis.
• Research & Development: A critical standard and experimental compound in material science for studying liquid crystal phase transitions and properties.

Basic Information

Product Name	Trans,trans-4''-Pentyl-4-Propenyl-Bicyclohexyl
CAS No.	156139-85-4
Molecular Formula	C20H36
Molecular Weight	276.50 g/mol
Synonyms	4''-Pentyl-[1,1';4',1'']tercyclohexyl-4-propenyl; 4-(trans-4-Pentylcyclohexyl)phenyl 4-propenyl-1,1'-bicyclohexyl; 4-Propenyl-4''-pentyl-1,1':4',1''-tercyclohexyl; Bicyclohexyl derivative CCPPCH; Liquid crystal compound 156139-85-4; 4''-n-Pentyl-4-propenyl-1,1':4',1''-tercyclohexyl
EINECS	Contact for details

Quality Control

Our Trans,trans-4''-Pentyl-4-Propenyl-Bicyclohexyl is produced under strict quality management systems to ensure batch-to-batch consistency and high performance in sensitive applications like display manufacturing. Each lot undergoes comprehensive analysis including HPLC for purity and isomer content, GC for residual solvents, and specific optical rotation measurement. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat sources and open flame. Under these conditions, the product remains stable for extended periods.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 99.0% (Total Isomers)
Trans,trans Isomer Content (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.05%

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