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Merck
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文件

328510

Sigma-Aldrich

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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About This Item

线性分子式:
CH3(CH2)4C6H4C6H4CN
CAS号:
40817-08-1
分子量:
249.35
EC號碼:
255-093-2
MDL號碼:
MFCD00036350
分類程式碼代碼:
12352103
PubChem物質ID:
24859381
NACRES:
NA.23

化驗

98%

形狀

liquid crystal (nematic)

折射率

n20/D 1.532 (lit.)

bp

140-150 °C/0.5 mmHg (lit.)

密度

1.008 g/mL at 25 °C (lit.)

SMILES 字串

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 密鑰

HHPCNRKYVYWYAU-UHFFFAOYSA-N

相关类别

一般說明

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

應用

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。

象形圖

Exclamation mark
GHS07

訊號詞

Warning

危險聲明

H317

危險分類

Skin Sens. 1

儲存類別代碼

10 - Combustible liquids

水污染物質分類（WGK）

WGK 3

個人防護裝備

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

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Active Control of the Anchoring of 4`-Pentyl-4-cyanobiphenyl (5CB) at an Aqueous?Liquid Crystal Interface By Using a Redox-Active Ferrocenyl Surfactant
Brake JM, et al.
Langmuir, 19 (21), 8629?8637-8629?8637 null
Zongdai Liu et al.
Soft matter, 15(28), 5638-5643 (2019-06-28)
For nematic liquid crystals (LCs), a disclination line is formed when the director of the LCs changes abruptly. In this study, we demonstrate an approach to form dynamic disclination lines by flowing the nematic liquid crystal 4-cyano-4'-pentylbiphenyl (5CB) in rectangular
Jin Pan et al.
Nanomaterials (Basel, Switzerland), 8(6) (2018-06-13)
Resistive pressure sensors generally employ microstructures such as pores and pyramids in the active layer or on the electrodes to reduce the Young’s modulus and improve the sensitivity. However, such pressure sensors always exhibit complex fabrication process and have difficulties
Ahlam Nemati et al.
ACS nano, 13(9), 10312-10326 (2019-08-20)
The creation and transmission of chirality in molecular systems is a well-known, widely applied notion. Our understanding of how the chirality of nanomaterials can be controlled, measured, transmitted through space, and applied is less well understood. Dynamic assemblies for chiral
Yu Xia et al.
Advanced materials (Deerfield Beach, Fla.), 28(43), 9637-9643 (2016-10-08)
Two-dimensional liquid-crystal elastomer (LCE) sheets with preprogrammed topological defects are prepared by aligning liquid-crystal monomers within micropatterned epoxy channels, followed by photopolymerization. Upon heating, the LCE films form various three-dimensional structures in agreement with theoretical design. The miniaturized LCE actuators
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