Description

4,4''-Diethyl-2',5'-Difluoro-1,1':4',1''-Terphenyl is a high-purity, multi-substituted terphenyl derivative, a key structural motif in advanced material science. This compound matters as a sophisticated organic building block, offering a rigid, conjugated backbone with specific electronic and steric properties imparted by its ethyl and fluorine substituents. It is primarily needed by researchers and manufacturers in the organic electronics and pharmaceutical intermediates sectors for developing novel functional materials.

Application

• Organic Light-Emitting Diode (OLED) Materials: Serves as a core structure or host material in the emissive layer due to its conjugated terphenyl system and tailored substituents for charge transport and energy level modulation.
• Liquid Crystal Display (LCD) Components: Used in the synthesis of liquid crystal molecules where the terphenyl core provides necessary rigidity and anisotropy, with fluorine atoms influencing polarity and mesophase stability.
• Pharmaceutical Intermediate: Acts as a critical precursor in the multi-step synthesis of complex drug candidates, leveraging its functionalized aromatic system for further chemical transformations.
• Organic Semiconductor Research: Employed in academic and industrial R&D for constructing novel p-type or n-type organic semiconductors, field-effect transistors (OFETs), and photovoltaic materials.
• Ligand Synthesis for Catalysis: The structured aromatic framework can be utilized to develop sophisticated ligands for transition metal catalysts used in cross-coupling and other asymmetric reactions.
• Fluorescent Dye & Sensor Development: Functions as a scaffold for creating specialized fluorophores and chemosensors, where the fluorine atoms can fine-tune photophysical properties and binding affinity.

Basic Information

Product Name	4,4''-Diethyl-2',5'-Difluoro-1,1':4',1''-Terphenyl
CAS No.	612486-79-0
Molecular Formula	C22H20F2
Molecular Weight	322.40 g/mol
Synonyms	[1,1':4',1''-Terphenyl]-4,4''-diethyl-2',5'-difluoro; 2',5'-Difluoro-4,4''-diethyl-1,1':4',1''-terphenyl; 4,4''-Diethyl-2',5'-difluoro-1,1':4',1''-terphenyl; Diethyl-difluoro-terphenyl; p,p'-Diethyl-m',m''-difluoro-terphenyl; Terphenyl derivative, 4,4''-diethyl-2',5'-difluoro; CAS 612486-79-0
EINECS	Contact for details

Quality Control

Our 4,4''-Diethyl-2',5'-Difluoro-1,1':4',1''-Terphenyl is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency meet the high standards required for advanced material synthesis and pharmaceutical R&D. Certificates of Analysis (COA) detailing specifications such as purity (by HPLC), identity confirmation (by NMR/IR), and impurity profiles are available upon request. We support compliance with relevant research and development guidelines.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Keep the container sealed to protect from moisture and contamination. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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