Description

4-Pentylphenyl 4'-Heptyl[1,1'-Biphenyl]-4-Carboxylate is a high-purity liquid crystal compound belonging to the biphenyl carboxylate ester class. This material is valued for its precise mesomorphic properties, which are critical for controlling the optical and electro-optical behavior in advanced display technologies. It is primarily required by manufacturers and R&D facilities in the electronics and specialty materials sectors for the formulation of liquid crystal mixtures used in displays, optical shutters, and tunable photonic devices.

Application

• Liquid Crystal Display (LCD) Components: A key monomer for formulating high-performance nematic and chiral nematic (cholesteric) liquid crystal mixtures used in TFT-LCDs, including those for televisions, monitors, and automotive displays.
• Electro-Optical Devices: Used in the development of light modulators, optical phase arrays, and tunable lenses where precise control over birefringence is required.
• Advanced Material Research: Serves as a building block or dopant in academic and industrial R&D for studying new liquid crystal phases, polymer-dispersed liquid crystals (PDLCs), and organic semiconductors.
• Specialty Chemical Synthesis: Acts as a sophisticated intermediate for the synthesis of more complex liquid crystal dimers, trimers, and polymers with tailored properties.

Basic Information

Product Name	4-Pentylphenyl 4'-Heptyl[1,1'-Biphenyl]-4-Carboxylate
CAS No.	61733-23-1
Molecular Formula	C31H38O2
Molecular Weight	442.63 g/mol
Synonyms	4-Pentylphenyl 4'-Heptylbiphenyl-4-carboxylate; 4'-Heptyl-4-biphenylcarboxylic Acid 4-Pentylphenyl Ester; 4-Pentylphenyl 4'-Heptyl-1,1'-biphenyl-4-carboxylate; 4-Pentylphenyl 4'-n-Heptyl[1,1'-biphenyl]-4-carboxylate; 4'-Heptyl-4-cyanobiphenyl (related intermediate); Heptylbiphenyl Carboxylate Pentylphenyl Ester; Liquid Crystal Ester 61733-23-1
EINECS	Contact for details

Quality Control

Our 4-Pentylphenyl 4'-Heptyl[1,1'-Biphenyl]-4-Carboxylate is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity, essential for sensitive electro-optical applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and key physical properties. We adhere to relevant industry standards and can support customer-specific qualification requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Keep away from heat, open flames, and strong oxidizing agents. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline solid or powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 99.0% (Area %)
Purity (GC)	≥ 98.5%
Melting Point / Phase Transition	As per COA (typically defined crystal-nematic, nematic-isotropic points)

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