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Sigma-Aldrich

4′-Pentyl-4-biphenylcarbonitril

liquid crystal (nematic), 98%

Synonym(e):

4-Cyano-4-pentylbiphenyl, 4-Pentyl-4-cyanobiphenyl, 5CB

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About This Item

Lineare Formel:
CH3(CH2)4C6H4C6H4CN
CAS-Nummer:
40817-08-1
Molekulargewicht:
249.35
EG-Nummer:
255-093-2
MDL-Nummer:
MFCD00036350
UNSPSC-Code:
12352103
PubChem Substanz-ID:
24859381
NACRES:
NA.23

Assay

98%

Form

liquid crystal (nematic)

Brechungsindex

n20/D 1.532 (lit.)

bp

140-150 °C/0.5 mmHg (lit.)

Dichte

1.008 g/mL at 25 °C (lit.)

SMILES String

CCCCCc1ccc(cc1)-c2ccc(cc2)C#N

InChI

1S/C18H19N/c1-2-3-4-5-15-6-10-17(11-7-15)18-12-8-16(14-19)9-13-18/h6-13H,2-5H2,1H3

InChIKey

HHPCNRKYVYWYAU-UHFFFAOYSA-N

Allgemeine Beschreibung

4′-Pentyl-4-biphenylcarbonitrile (5CB) is a nematic liquid crystal. 5CB undergoes phase transition from crystalline to nematic then to isotropic state at 18oC and 35oC respectively. It may be produced by modifying biphenyl.2

Anwendung

Attaching 5CB to an aqueous-liquid crystal interface by redox active surfactant has been investigated.

Piktogramme

Exclamation mark
GHS07

Signalwort

Warning

H-Sätze

H317

Gefahreneinstufungen

Skin Sens. 1

Lagerklassenschlüssel

10 - Combustible liquids

WGK

WGK 3

Persönliche Schutzausrüstung

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Analysenzertifikate (COA)

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Jeffrey M Brake et al.
Langmuir : the ACS journal of surfaces and colloids, 23(16), 8497-8507 (2007-06-28)
We report a study of the interactions of proteins with monolayers of phospholipids (D/L-alpha-dipalmitoyl phosphatidylcholine and L-alpha-dilauroyl phosphatidylcholine) spontaneously assembled at an interface between an aqueous phase and a 20-microm-thick film of a nematic liquid crystal (4'-pentyl-4-cyanobiphenyl). Because the orientation
Palash Dhara et al.
Scientific reports, 8(1), 7169-7169 (2018-05-10)
Spin dewetting refers to spontaneous rupture of the dispensed solution layer during spin coating, resulting in isolated but periodic, regular sized domains of the solute and is pre-dominant when the solute concentration (C n ) is very low. In this
Beom-Kyu Lee et al.
Scientific reports, 7(1), 15916-15916 (2017-11-23)
It is generally thought that colloidal particles in a nematic liquid crystal do not generate the first multipole term called deformation elastic charge as it violates the mechanical equilibrium. Here, we demonstrate theoretically and experimentally that this is not the
Maria-Victoria Meli et al.
Journal of the American Chemical Society, 130(13), 4326-4333 (2008-03-14)
Langmuir monolayers (monolayers of insoluble molecules formed at the surface of water), and associated Langmuir-Blodgett/Schaefer monolayers prepared by transfer of Langmuir films to the surfaces of solids, are widely used in studies aimed at understanding the physicochemical properties of biological
Yi Huang et al.
Optics express, 26(8), 10452-10461 (2018-05-03)
This paper proposes and demonstrates a particle free method for flow field visualizations by analyzing liquid crystal polarizations. The proposed concept is implemented by imaging of liquid crystal flow under microfluidic environment using a crossed polarization microscopy configuration. Fringe patterns
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