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安全信息

338680

Sigma-Aldrich

4′-辛基-4-联苯基甲腈

liquid crystal (nematic), 98%

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别名:
4′-n -辛基-4-氰基联苯, 4′-辛基-4-氰基联苯, 4′-辛基-4-联苯基甲腈, 4′-辛基[1,1′-联苯]-4-甲腈, 4-n -辛基-4′-氰基联苯, 4-氰基-4′-n -辛基联苯, 4-氰基-4′-辛基-1,1′-联苯, 4-氰基-4′-辛基联苯, 4-辛基-4′-氰基联苯, p -n -辛基-p ′-氰基联苯, p -氰基-p ′-辛基联苯, p -辛基-p ′-氰基联苯
线性分子式:
CH3(CH2)7C6H4C6H4CN
CAS号:
52709-84-9
分子量:
291.43
EC 号:
258-120-6
MDL编号:
MFCD00075146
PubChem化学物质编号:
24860562
NACRES:
NA.23

质量水平

100

检测方案

98%

形式

liquid crystal (nematic)

SMILES string

CCCCCCCCc1ccc(cc1)-c2ccc(cc2)C#N

InChI

1S/C21H25N/c1-2-3-4-5-6-7-8-18-9-13-20(14-10-18)21-15-11-19(17-22)12-16-21/h9-16H,2-8H2,1H3

InChI key

CSQPODPWWMOTIY-UHFFFAOYSA-N

相关类别

一般描述

4′-辛基-4-联苯腈(8CB)是一种低摩尔质量液晶(LC)，其液晶相随温度条件的变化而不同。在常温条件下，8CB仅以体近晶A相存在。LC可以对温度、剪切、电场（或磁场）以及与之接触的固体表面结构的细微变化做出反应。

应用

LC 的单层膜沉积在高度有序的热解石墨上，这些自组装膜表现出各种各样的结构形式。

象形图

Exclamation mark
GHS07

警示用语：

Warning

危险分类

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

靶器官

Respiratory system

储存分类代码

10 - Combustible liquids

WGK

WGK 3

闪点(°F)

235.4 °F - closed cup

闪点(°C)

113 °C - closed cup

个人防护装备

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

法规信息

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  5. What is the anisotropy refractive index and anisotropy electric permittivity for product 338680, 4´-Octyl-4-biphenylcarbonitrile?

    Literature values for the anisotropy refractive index and anisotropy electric permittivity of product 338680, 4´-Octyl-4-biphenylcarbonitrile are as follows:ne=1.673no=1.516in 27oCe||=12.8e^=6.65De=6.15in 39.4oC

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Monirosadat Sadati et al.
Journal of the American Chemical Society, 139(10), 3841-3850 (2017-02-09)
Numerous applications of liquid crystals rely on control of molecular orientation at an interface. However, little is known about the precise molecular structure of such interfaces. In this work, synchrotron X-ray reflectivity measurements, accompanied by large-scale atomistic molecular dynamics simulations
Mechanism of molecular ordering in monolayer liquid crystal films.
Patrick DL, et al.
The Journal of Physical Chemistry, 100(20), 8478-8481 (1996)
Substrate defects and variations in interfacial ordering of monolayer molecular films on graphite.
Patrick DL, et al.
Langmuir, 10(1), 298-302 (1994)
Separation of nematic and smectic-A potential effects on solute ordering in a series of binary 6OCB-8OCB mixtures
Burnell EE, et al.
Canadian Journal of Chemistry, 89(7), 900-908 (2011)

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