328510
4′-戊基-4-联苯甲腈
liquid crystal (nematic), 98%
别名:
4-戊基-4-氰基联苯, 4-氰基-4-戊基联苯, 5CB
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关于此项目
线性分子式:
CH3(CH2)4C6H4C6H4CN
化学文摘社编号:
分子量:
249.35
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352103
EC Number:
255-093-2
MDL number:
产品名称
4′-戊基-4-联苯甲腈, liquid crystal (nematic), 98%
InChI key
HHPCNRKYVYWYAU-UHFFFAOYSA-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
SMILES string
CCCCCc1ccc(cc1)-c2ccc(cc2)C#N
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.)
Quality Level
Application
用氧化还原活性表面活性剂将 5CB 固定在水-液晶界面上进行了研究。
General description
4'-戊基-4-联苯甲腈（5CB）是向列型液晶。 5CB分别在18oC和35oC下经历从晶体到向列的相变，然后到各向同性状态。 它可以通过改性联苯来生产
signalword
Warning
hcodes
Hazard Classifications
Skin Sens. 1
存储类别
10 - Combustible liquids
wgk
WGK 3
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Christos Grigoriadis et al.
ACS nano, 5(11), 9208-9215 (2011-10-07)
The nematic-to-isotropic, crystal-to-nematic, and supercooled liquid-to-glass temperatures are studied in the liquid crystal 4-pentyl-4'-cyanobiphenyl (5CB) confined in self-ordered nanoporous alumina. The nematic-to-isotropic and the crystal-to-nematic transition temperatures are reduced linearly with the inverse pore diameter. The finding that the crystalline
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
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
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
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
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