Description

Trans,trans-4''-(4''-Propylbicyclohexyl-4-Yl)-3,4-Difluorobiphenyl CAS NO 119990-81-7 is a high-purity, advanced liquid crystal intermediate (LCI) and monomer, specifically engineered for the synthesis of modern liquid crystal mixtures. This compound is critical for achieving precise electro-optical properties in high-performance displays. It is primarily required by manufacturers of liquid crystal displays (LCDs), organic light-emitting diodes (OLEDs), and advanced photonic materials.

Application

• Key Intermediate for Liquid Crystal Mixtures: A core building block for nematic and ferroelectric liquid crystals used in high-resolution displays.
• Active Matrix Displays (AMLCDs): Used in the formulation of LC materials for televisions, monitors, laptops, and tablets requiring fast response times and wide viewing angles.
• Advanced Photonic Devices: A precursor for tunable optical filters, light modulators, and other electro-optic components.
• OLED Device Fabrication: Employed in the development of organic electronic materials and as an alignment layer component.
• Research & Development: Serves as a critical standard and starting material in academic and industrial R&D for new electro-active organic materials.

Basic Information

Item	Detail
Product Name	Trans,trans-4''-(4''-Propylbicyclohexyl-4-Yl)-3,4-Difluorobiphenyl
CAS No.	119990-81-7
Molecular Formula	C27H34F2
Molecular Weight	396.56 g/mol
Synonyms	3,4-Difluoro-4''-propyl-1,1':4',1''-terphenyl; 3,4-Difluoro-4''-propyl-[1,1':4',1'']terphenyl; 4''-Propyl-3,4-difluoro-1,1':4',1''-terphenyl; 4-(trans-4-Propylcyclohexyl)-3',4'-difluoro-1,1'-biphenyl; 3,4-Difluoro-4''-propyl-p-terphenyl; LC Monomer 119990-81-7; Difluoroterphenyl derivative; Propylcyclohexyl difluorobiphenyl
EINECS	Contact for details

Quality Control

Our Trans,trans-4''-(4''-Propylbicyclohexyl-4-Yl)-3,4-Difluorobiphenyl is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity, essential for sensitive electronic applications. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles 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 incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 99.5% (Area %)
Isomeric Purity (GC/HPLC)	≥ 99.0% (trans,trans isomer)
Melting Point	Contact for details
Loss on Drying	≤ 0.1%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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