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338648 Sigma-Aldrich

4′-Hexyl-4-biphenylcarbonitrile

liquid crystal (nematic), 98%

Synonym: 4′-n -Hexyl-4-cyanobiphenyl, 4′-Hexyl-4-biphenylcarbonitrile, 4′-Hexyl-4-cyanobiphenyl, 4′-Hexyl[1,1′-biphenyl]-4-carbonitrile, 4-Cyano-4′-n -hexylbiphenyl, 4-Cyano-4′-hexyl-1,1′-biphenyl, 4-Cyano-4′-hexylbiphenyl, 4-Hexyl-4′-cyanobiphenyl, 4-Hexyl-4′-cyanodiphenyl, p -Hexyl-p ′-cyanobiphenyl

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Properties

Related Categories Liquid Crystals, Materials Science, Nematic, Organic and Printed Electronics
assay   98%
form   liquid crystal (nematic)
SMILES string   CCCCCCc1ccc(cc1)-c2ccc(cc2)C#N
InChI   1S/C19H21N/c1-2-3-4-5-6-16-7-11-18(12-8-16)19-13-9-17(15-20)10-14-19/h7-14H,2-6H2,1H3
InChI key   VADSDVGLFDVIMG-UHFFFAOYSA-N

Description

General description

4′-Hexyl-4-biphenylcarbonitrile belongs to the class of low molecular weight liquid crystals (LCs). Optical properties of LCs can be controlled thermally. It can be rendered opaque to transparent state by thermal switching. This effect appears on account of birefringence feature of LCs. Low molecular weight LCs show high, and strongly dependence on temperature as well as possesses higher solubility in polymer matrices. It also exhibits a strong dipole moment.

Application

• Used in thermoresponsive meso/nanostructured PS-b-PEO block copolymer-dispersed liquid crystal.
• 4′-hexyl-4-biphenylcarbonitrile, 4′-octyloxy-4-biphenylcarbonitrile and their composite liquid crystals were studied for dielectric properties.
Proposed applications are in the field of
• thermo- and electro optical devices (e.g. optical shutters, smart windows, optical sensors,memories and flexible display devices),
• n phase array optics (e.g. as switchable birefringent phase shifters).

Packaging

1 g in glass bottle

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Precautionary statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
Flash Point(F) 
235.4 °F - closed cup
Flash Point(C) 
113 °C - closed cup
Protocols & Articles
Peer-Reviewed Papers
15

References

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