328510
4′-Pentyl-4-biphenylcarbonitrile
liquid crystal (nematic), 98%
Synonym(s):
4-Cyano-4-pentylbiphenyl, 4-Pentyl-4-cyanobiphenyl, 5CB
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All Photos(2)
About This Item
Linear Formula:
CH3(CH2)4C6H4C6H4CN
CAS Number:
Molecular Weight:
249.35
EC Number:
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.23
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Quality Level
Assay
98%
form
liquid crystal (nematic)
refractive index
n20/D 1.532 (lit.)
bp
140-150 °C/0.5 mmHg (lit.)
density
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
InChI key
HHPCNRKYVYWYAU-UHFFFAOYSA-N
General description
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
Application
Attaching 5CB to an aqueous-liquid crystal interface by redox active surfactant has been investigated.
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Skin Sens. 1
Storage Class Code
10 - Combustible liquids
WGK
WGK 3
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Piotr Popov et al.
Scientific reports, 7(1), 1603-1603 (2017-05-11)
Nematic liquid crystals (NLCs) of achiral molecules and racemic mixtures of chiral ones form flat films and show uniform textures between circular polarizers when suspended in sub-millimeter size grids and immersed in water. On addition of chiral dopants to the
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
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
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
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
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