154346-21-1

Basic information

• Product Name: 2′,2′′,4′′′-Trifluor-4-propyl-1,1′:4′,1′′-terphenyl
• Synonyms: 2′,2′′,4′′′-Trifluor-4-propyl-1,1′:4′,1′′-terphenyl
• CAS NO: 154346-21-1
• Molecular Formula: C21H17 F3
• Molecular Weight: 326.35
• Mol File: 154346-21-1.mol

Chemical Properties

• Boiling Point: 414.4±45.0 °C(Predicted)
• Appearance: /
• Density: 1.157±0.06 g/cm3(Predicted)
• CAS DataBase Reference: 2′,2′′,4′′′-Trifluor-4-propyl-1,1′:4′,1′′-terphenyl(CAS DataBase Reference)
• NIST Chemistry Reference: 2′,2′′,4′′′-Trifluor-4-propyl-1,1′:4′,1′′-terphenyl(154346-21-1)
• EPA Substance Registry System: 2′,2′′,4′′′-Trifluor-4-propyl-1,1′:4′,1′′-terphenyl(154346-21-1)

Safety Data

• Hazardous Substances Data: 154346-21-1(Hazardous Substances Data)

Usage

Type

Terphenyl

Substituents

Three fluorine atoms, one propyl group

Uses

Liquid crystal research and development, display technology, optoelectronic devices

Properties

Unique structural and electronic properties, potential industrial and technological applications

Upstream product

• 116831-33-5 4'-propyl-2-fluoro-4-bromobiphenyl 
• 144025-03-6 2,4-difluorophenylboronic acid 
• 60811-18-9 2-chloro-5-bromofluorobenzene 
• 134150-01-9 4-propylphenylboric acid 

Relevant articles and documents

Preparation method of 4''-alkyl-2, 4, 3'-trifluoro-terphenyl liquid crystal monomer

The invention relates to the field of liquid crystal display, in particular to a preparation method of a 4''-alkyl-2, 4, 3'-trifluoro-terphenyl liquid crystal monomer for liquid crystal display. The preparation method comprises the following steps: taking 3-fluoro-4-chlorobromobenzene as a raw material, and preparing 3-fluoro-4-chlorophenylboronic acid through Grignard reaction; carrying out Suzuki coupling reaction on the 3-fluoro-4-chlorophenylboronic acid and 2, 4'-difluorobromobenzene to obtain a key intermediate 4'-chloro-2, 4, 3'-trifluoro-biphenyl; and carrying out Suzuki coupling reaction on the intermediate and 4-alkylphenylboronic acid to a to obtain the liquid crystal monomer. The synthesis route adopts cheap raw materials, a final product is prepared through conventional reactions, the production cost is low, large-scale production is facilitated, and the preparation method has a very high application prospect.

Containing 1,3-difluoro-2-methyl the liquid crystal compound with a structure and method for preparing same

The invention relates to a liquid crystal compound containing a 1,3-difluoro-2-methyl benzene structure and a preparation method of the liquid crystal compound. The structural formula I of the liquid crystal compound is as shown in the specifications. Through the adoption of the preparation method, the liquid crystal compound containing the 1,3-difluoro-2-methyl benzene structure can be obtained stably in batches; the compound has the advantages of low rotary viscosity, high intersolubility and stable performance.